diff --git a/src/api/gql/dataPlanes.ts b/src/api/gql/dataPlanes.ts
index dc496e9322..84db2db9b7 100644
--- a/src/api/gql/dataPlanes.ts
+++ b/src/api/gql/dataPlanes.ts
@@ -1,4 +1,7 @@
-import type { DataPlanesQuery } from 'src/gql-types/graphql';
+import type {
+    DataPlanesQuery,
+    PublicDataPlanesQuery,
+} from 'src/gql-types/graphql';
 import type { CloudProvider } from 'src/utils/cloudRegions';
 
 import { graphql } from 'src/gql-types';
@@ -28,6 +31,27 @@ export const DATA_PLANES_QUERY = graphql(`
     }
 `);
 
+// Unauthenticated query for the pre-tenant onboarding flow. The
+// authenticated `dataPlanes` query returns nothing until the user
+// has grants, which a brand-new signup does not.
+export const PUBLIC_DATA_PLANES_QUERY = graphql(`
+    query PublicDataPlanes($after: String) {
+        publicDataPlanes(first: 100, after: $after) {
+            edges {
+                node {
+                    name
+                    cloudProvider
+                    region
+                }
+            }
+            pageInfo {
+                hasNextPage
+                endCursor
+            }
+        }
+    }
+`);
+
 type DataPlaneGqlNode = DataPlanesQuery['dataPlanes']['edges'][number]['node'];
 
 export interface DataPlaneNode extends Omit<DataPlaneGqlNode, 'cloudProvider'> {
@@ -44,3 +68,21 @@ export const toDataPlaneNode = (node: DataPlaneGqlNode): DataPlaneNode => {
         scope: node.isPublic ? 'public' : 'private',
     };
 };
+
+type PublicDataPlaneGqlNode =
+    PublicDataPlanesQuery['publicDataPlanes']['edges'][number]['node'];
+
+export interface PublicDataPlaneNode
+    extends Omit<PublicDataPlaneGqlNode, 'cloudProvider'> {
+    // Narrower than the schema's DataPlaneCloudProvider, which also allows LOCAL
+    cloudProvider: CloudProvider;
+}
+
+export const toPublicDataPlaneNode = (
+    node: PublicDataPlaneGqlNode
+): PublicDataPlaneNode => {
+    return {
+        ...node,
+        cloudProvider: node.cloudProvider as CloudProvider,
+    };
+};
diff --git a/src/context/URQL.tsx b/src/context/URQL.tsx
index a2b5a42271..06d6bd272b 100644
--- a/src/context/URQL.tsx
+++ b/src/context/URQL.tsx
@@ -64,6 +64,7 @@ function UrqlConfigProvider({ children }: BaseComponentProps) {
                         RefreshTokenInfo: (_data) => null,
                         StorageMapping: (data) => null,
                         DataPlane: (data) => null,
+                        PublicDataPlane: (data) => null,
                     },
                     updates: {
                         Mutation: {
diff --git a/src/directives/BetaOnboard.tsx b/src/directives/BetaOnboard.tsx
index 739bcd6f54..a8cf271fe4 100644
--- a/src/directives/BetaOnboard.tsx
+++ b/src/directives/BetaOnboard.tsx
@@ -12,9 +12,11 @@ import { submitDirective } from 'src/api/directives';
 import RegistrationProgress from 'src/app/guards/RegistrationProgress';
 import BetaWarningAndError from 'src/components/transformation/create/BetaWarningAndError';
 import Actions from 'src/directives/Actions';
+import DataPlaneSelector from 'src/directives/Onboard/DataPlaneSelector';
 import OrganizationNameField from 'src/directives/Onboard/OrganizationName';
 import {
     useOnboardingStore_nameInvalid,
+    useOnboardingStore_requestedDataPlane,
     useOnboardingStore_requestedTenant,
     useOnboardingStore_resetState,
     useOnboardingStore_setNameMissing,
@@ -39,13 +41,15 @@ const EVENT_NAME = 'Tenant:Create';
 const submit_onboard = async (
     requestedTenant: string,
     directive: any,
-    surveyResponse: any
+    surveyResponse: any,
+    requestedDataPlane: string | null
 ) => {
     return submitDirective(
         directiveName,
         directive,
         requestedTenant,
-        surveyResponse
+        surveyResponse,
+        requestedDataPlane
     );
 };
 
@@ -60,6 +64,7 @@ const BetaOnboard = ({ directive, mutate, status }: DirectiveProps) => {
     const setNameMissing = useOnboardingStore_setNameMissing();
     const setSurveyMissing = useOnboardingStore_setSurveyMissing();
     const surveyResponse = useOnboardingStore_surveyResponse();
+    const requestedDataPlane = useOnboardingStore_requestedDataPlane();
     const resetOnboardingState = useOnboardingStore_resetState();
     const setServerError = useOnboardingStore_setServerError();
 
@@ -100,7 +105,8 @@ const BetaOnboard = ({ directive, mutate, status }: DirectiveProps) => {
             const onboardingResponse = await submit_onboard(
                 requestedTenant,
                 directive,
-                surveyResponse
+                surveyResponse,
+                requestedDataPlane
             );
 
             if (onboardingResponse.error) {
@@ -194,6 +200,8 @@ const BetaOnboard = ({ directive, mutate, status }: DirectiveProps) => {
                 >
                     <OrganizationNameField forceError={nameTaken} />
 
+                    <DataPlaneSelector />
+
                     <OnboardingSurvey />
 
                     <Actions
diff --git a/src/directives/Onboard/DataPlaneSelector.tsx b/src/directives/Onboard/DataPlaneSelector.tsx
new file mode 100644
index 0000000000..117a544ce3
--- /dev/null
+++ b/src/directives/Onboard/DataPlaneSelector.tsx
@@ -0,0 +1,121 @@
+import type { PublicDataPlaneNode } from 'src/api/gql/dataPlanes';
+
+import { useEffect, useMemo } from 'react';
+
+import {
+    Autocomplete,
+    FormControl,
+    FormLabel,
+    inputBaseClasses,
+    TextField,
+} from '@mui/material';
+
+import { useIntl } from 'react-intl';
+
+import DataPlaneIcon from 'src/components/shared/Entity/DataPlaneIcon';
+import {
+    useOnboardingStore_requestedDataPlane,
+    useOnboardingStore_setRequestedDataPlane,
+} from 'src/directives/Onboard/Store/hooks';
+import { usePublicDataPlanes } from 'src/hooks/dataPlanes/usePublicDataPlanes';
+
+// Matches est-dry-dock's phased rollout of colocated trial buckets: this is
+// the plane new tenants land on when nothing else is picked.
+const DEFAULT_PUBLIC_DATA_PLANE = 'ops/dp/public/aws-us-east-1-c1';
+
+const INPUT_SX = {
+    maxWidth: 424,
+    [`& .${inputBaseClasses.root}`]: { borderRadius: 3 },
+};
+
+// The region and full catalog name are both shown: multiple public planes can
+// share a region, so the name is what makes the choice unambiguous.
+const optionLabel = (option: PublicDataPlaneNode) =>
+    `${option.region} (${option.name})`;
+
+function DataPlaneSelector() {
+    const intl = useIntl();
+    const { dataPlanes, loading, error } = usePublicDataPlanes();
+
+    const selected = useOnboardingStore_requestedDataPlane();
+    const setSelected = useOnboardingStore_setRequestedDataPlane();
+
+    // Sorted by provider first because groupBy only groups correctly when the
+    // list is already ordered by group; sorting on name alone worked only
+    // because the names happen to embed the provider.
+    const options = useMemo(
+        () =>
+            [...dataPlanes].sort(
+                (a, b) =>
+                    a.cloudProvider.localeCompare(b.cloudProvider) ||
+                    a.region.localeCompare(b.region)
+            ),
+        [dataPlanes]
+    );
+
+    // Preselect the platform default so submitting without touching the
+    // picker still records an explicit, valid choice.
+    useEffect(() => {
+        if (!selected && options.length > 0) {
+            const preferred =
+                options.find(
+                    (option) => option.name === DEFAULT_PUBLIC_DATA_PLANE
+                ) ?? options[0];
+            setSelected(preferred.name);
+        }
+    }, [options, selected, setSelected]);
+
+    // Fail safe: if the plane list can't be fetched, render nothing. The
+    // claim simply omits requestedDataPlane and the backend applies its
+    // own default instead of blocking signup on this field.
+    if (error || (!loading && options.length === 0)) {
+        return null;
+    }
+
+    const currentOption = options.find((option) => option.name === selected);
+
+    return (
+        <FormControl>
+            <FormLabel id="requestedDataPlane" sx={{ mb: 1, fontSize: 20 }}>
+                {intl.formatMessage({ id: 'tenant.dataPlane.label' })}
+            </FormLabel>
+
+            <Autocomplete
+                loading={loading}
+                options={options}
+                value={currentOption ?? null}
+                onChange={(_event, value) => setSelected(value?.name ?? null)}
+                groupBy={(option) => option.cloudProvider}
+                getOptionLabel={optionLabel}
+                renderOption={(props, option) => {
+                    const { key, ...rest } = props;
+                    return (
+                        <li key={key} {...rest}>
+                            <DataPlaneIcon
+                                provider={option.cloudProvider}
+                                scope="public"
+                                size={20}
+                            />
+                            <span style={{ marginLeft: 8 }}>
+                                {optionLabel(option)}
+                            </span>
+                        </li>
+                    );
+                }}
+                renderInput={(params) => (
+                    <TextField
+                        {...params}
+                        size="small"
+                        variant="outlined"
+                        helperText={intl.formatMessage({
+                            id: 'tenant.dataPlane.helper',
+                        })}
+                        sx={INPUT_SX}
+                    />
+                )}
+            />
+        </FormControl>
+    );
+}
+
+export default DataPlaneSelector;
diff --git a/src/directives/Onboard/Store/create.ts b/src/directives/Onboard/Store/create.ts
index f179b49c9b..a44f25ee64 100644
--- a/src/directives/Onboard/Store/create.ts
+++ b/src/directives/Onboard/Store/create.ts
@@ -17,6 +17,7 @@ const getInitialStateData = (): Pick<
     | 'nameProblematic'
     | 'nameMissing'
     | 'requestedTenant'
+    | 'requestedDataPlane'
     | 'surveyResponse'
     | 'surveyMissing'
     | 'serverError'
@@ -25,6 +26,7 @@ const getInitialStateData = (): Pick<
     nameProblematic: false,
     nameMissing: false,
     requestedTenant: '',
+    requestedDataPlane: null,
     surveyResponse: { origin: '', details: '' },
     surveyMissing: false,
     serverError: null,
@@ -63,6 +65,16 @@ const getInitialState = (set: NamedSet<OnboardingState>): OnboardingState => ({
         );
     },
 
+    setRequestedDataPlane: (value) => {
+        set(
+            () => ({
+                requestedDataPlane: value,
+            }),
+            false,
+            'setRequestedDataPlane'
+        );
+    },
+
     setServerError: (value) => {
         set(
             (state) => ({
diff --git a/src/directives/Onboard/Store/hooks.ts b/src/directives/Onboard/Store/hooks.ts
index 0ca47d5c56..34bd4cb59f 100644
--- a/src/directives/Onboard/Store/hooks.ts
+++ b/src/directives/Onboard/Store/hooks.ts
@@ -17,6 +17,20 @@ export const useOnboardingStore_setRequestedTenant = () => {
     >(OnboardingStoreNames.GENERAL, (state) => state.setRequestedTenant);
 };
 
+export const useOnboardingStore_requestedDataPlane = () => {
+    return useLocalZustandStore<
+        OnboardingState,
+        OnboardingState['requestedDataPlane']
+    >(OnboardingStoreNames.GENERAL, (state) => state.requestedDataPlane);
+};
+
+export const useOnboardingStore_setRequestedDataPlane = () => {
+    return useLocalZustandStore<
+        OnboardingState,
+        OnboardingState['setRequestedDataPlane']
+    >(OnboardingStoreNames.GENERAL, (state) => state.setRequestedDataPlane);
+};
+
 export const useOnboardingStore_nameInvalid = () => {
     return useLocalZustandStore<
         OnboardingState,
diff --git a/src/directives/Onboard/Store/types.ts b/src/directives/Onboard/Store/types.ts
index 024164f69a..51a2889b3c 100644
--- a/src/directives/Onboard/Store/types.ts
+++ b/src/directives/Onboard/Store/types.ts
@@ -7,6 +7,9 @@ export interface OnboardingState {
     requestedTenant: string;
     setRequestedTenant: (value: string) => void;
 
+    requestedDataPlane: string | null;
+    setRequestedDataPlane: (value: string | null) => void;
+
     nameInvalid: boolean;
     setNameInvalid: (value: boolean) => void;
 
diff --git a/src/directives/shared.ts b/src/directives/shared.ts
index eb0fcd5903..0e5d4ecad4 100644
--- a/src/directives/shared.ts
+++ b/src/directives/shared.ts
@@ -80,9 +80,17 @@ export const DIRECTIVES: Directives = {
             return queryBuilder;
         },
         generateUserClaim: (args: any[]) => {
+            const [requestedTenant, survey, requestedDataPlane] = args;
             return {
-                requestedTenant: args[0],
-                survey: args.length > 1 ? args[1] : null,
+                requestedTenant,
+                survey: survey ?? null,
+                // Omitted (never sent as null) when unset: the agent's
+                // claims parser rejects unknown keys, and older agents
+                // don't know this one — leaving it out lets the backend
+                // fall back to its own default plane.
+                ...(hasLength(requestedDataPlane)
+                    ? { requestedDataPlane }
+                    : {}),
             };
         },
         calculateStatus: (appliedDirective) => {
diff --git a/src/directives/types.ts b/src/directives/types.ts
index 71c7b9be97..33b6f1a2e1 100644
--- a/src/directives/types.ts
+++ b/src/directives/types.ts
@@ -42,6 +42,7 @@ interface ClickToAcceptClaim {
 interface OnboardClaim {
     requestedTenant: string;
     survey: any;
+    requestedDataPlane?: string;
 }
 
 interface StorageMappingsClaim {
diff --git a/src/gql-types/gql.ts b/src/gql-types/gql.ts
index f3bf218a46..d6728d1315 100644
--- a/src/gql-types/gql.ts
+++ b/src/gql-types/gql.ts
@@ -22,6 +22,7 @@ type Documents = {
     "\n    query ConnectorsGrid($filter: ConnectorsFilter, $after: String) {\n        connectors(first: 500, after: $after, filter: $filter) {\n            edges {\n                cursor\n                node {\n                    id\n                    imageName\n                    logoUrl\n                    title\n                    recommended\n                    detail\n                    defaultSpec {\n                        id\n                        imageTag\n                        documentationUrl\n                        protocol\n                    }\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n": typeof types.ConnectorsGridDocument,
     "\n    query ConnectorTagData($imageName: String!, $fullImageName: String!) {\n        connector(imageName: $imageName) {\n            id\n            imageName\n            logoUrl\n            title\n        }\n        connectorSpec(fullImageName: $fullImageName) {\n            id\n            imageTag\n            defaultCaptureInterval\n            disableBackfill\n            documentationUrl\n            endpointSpecSchema\n            resourceSpecSchema\n            protocol\n        }\n    }\n": typeof types.ConnectorTagDataDocument,
     "\n    query DataPlanes($after: String) {\n        dataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                    isPublic\n                    fqdn\n                    cidrBlocks\n                    awsIamUserArn\n                    gcpServiceAccountEmail\n                    azureApplicationClientId\n                    azureApplicationName\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n": typeof types.DataPlanesDocument,
+    "\n    query PublicDataPlanes($after: String) {\n        publicDataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n": typeof types.PublicDataPlanesDocument,
     "\n    query InviteLinks($first: Int, $after: String) {\n        inviteLinks(first: $first, after: $after) {\n            edges {\n                node {\n                    token\n                    ssoProviderId\n                    catalogPrefix\n                    capability\n                    singleUse\n                    detail\n                    createdAt\n                }\n                cursor\n            }\n            pageInfo {\n                ...PageInfoFields\n            }\n        }\n    }\n": typeof types.InviteLinksDocument,
     "\n    mutation CreateInviteLink(\n        $catalogPrefix: Prefix!\n        $capability: Capability!\n        $singleUse: Boolean!\n        $detail: String\n    ) {\n        createInviteLink(\n            catalogPrefix: $catalogPrefix\n            capability: $capability\n            singleUse: $singleUse\n            detail: $detail\n        ) {\n            token\n            catalogPrefix\n            capability\n            singleUse\n            detail\n            createdAt\n        }\n    }\n": typeof types.CreateInviteLinkDocument,
     "\n    mutation DeleteInviteLink($token: UUID!) {\n        deleteInviteLink(token: $token)\n    }\n": typeof types.DeleteInviteLinkDocument,
@@ -50,6 +51,7 @@ const documents: Documents = {
     "\n    query ConnectorsGrid($filter: ConnectorsFilter, $after: String) {\n        connectors(first: 500, after: $after, filter: $filter) {\n            edges {\n                cursor\n                node {\n                    id\n                    imageName\n                    logoUrl\n                    title\n                    recommended\n                    detail\n                    defaultSpec {\n                        id\n                        imageTag\n                        documentationUrl\n                        protocol\n                    }\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n": types.ConnectorsGridDocument,
     "\n    query ConnectorTagData($imageName: String!, $fullImageName: String!) {\n        connector(imageName: $imageName) {\n            id\n            imageName\n            logoUrl\n            title\n        }\n        connectorSpec(fullImageName: $fullImageName) {\n            id\n            imageTag\n            defaultCaptureInterval\n            disableBackfill\n            documentationUrl\n            endpointSpecSchema\n            resourceSpecSchema\n            protocol\n        }\n    }\n": types.ConnectorTagDataDocument,
     "\n    query DataPlanes($after: String) {\n        dataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                    isPublic\n                    fqdn\n                    cidrBlocks\n                    awsIamUserArn\n                    gcpServiceAccountEmail\n                    azureApplicationClientId\n                    azureApplicationName\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n": types.DataPlanesDocument,
+    "\n    query PublicDataPlanes($after: String) {\n        publicDataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n": types.PublicDataPlanesDocument,
     "\n    query InviteLinks($first: Int, $after: String) {\n        inviteLinks(first: $first, after: $after) {\n            edges {\n                node {\n                    token\n                    ssoProviderId\n                    catalogPrefix\n                    capability\n                    singleUse\n                    detail\n                    createdAt\n                }\n                cursor\n            }\n            pageInfo {\n                ...PageInfoFields\n            }\n        }\n    }\n": types.InviteLinksDocument,
     "\n    mutation CreateInviteLink(\n        $catalogPrefix: Prefix!\n        $capability: Capability!\n        $singleUse: Boolean!\n        $detail: String\n    ) {\n        createInviteLink(\n            catalogPrefix: $catalogPrefix\n            capability: $capability\n            singleUse: $singleUse\n            detail: $detail\n        ) {\n            token\n            catalogPrefix\n            capability\n            singleUse\n            detail\n            createdAt\n        }\n    }\n": types.CreateInviteLinkDocument,
     "\n    mutation DeleteInviteLink($token: UUID!) {\n        deleteInviteLink(token: $token)\n    }\n": types.DeleteInviteLinkDocument,
@@ -116,6 +118,10 @@ export function graphql(source: "\n    query ConnectorTagData($imageName: String
  * The graphql function is used to parse GraphQL queries into a document that can be used by GraphQL clients.
  */
 export function graphql(source: "\n    query DataPlanes($after: String) {\n        dataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                    isPublic\n                    fqdn\n                    cidrBlocks\n                    awsIamUserArn\n                    gcpServiceAccountEmail\n                    azureApplicationClientId\n                    azureApplicationName\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n"): (typeof documents)["\n    query DataPlanes($after: String) {\n        dataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                    isPublic\n                    fqdn\n                    cidrBlocks\n                    awsIamUserArn\n                    gcpServiceAccountEmail\n                    azureApplicationClientId\n                    azureApplicationName\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n"];
+/**
+ * The graphql function is used to parse GraphQL queries into a document that can be used by GraphQL clients.
+ */
+export function graphql(source: "\n    query PublicDataPlanes($after: String) {\n        publicDataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n"): (typeof documents)["\n    query PublicDataPlanes($after: String) {\n        publicDataPlanes(first: 100, after: $after) {\n            edges {\n                node {\n                    name\n                    cloudProvider\n                    region\n                }\n            }\n            pageInfo {\n                hasNextPage\n                endCursor\n            }\n        }\n    }\n"];
 /**
  * The graphql function is used to parse GraphQL queries into a document that can be used by GraphQL clients.
  */
diff --git a/src/gql-types/graphql.ts b/src/gql-types/graphql.ts
index fc207e4b76..fa5e841770 100644
--- a/src/gql-types/graphql.ts
+++ b/src/gql-types/graphql.ts
@@ -2443,6 +2443,13 @@ export type DataPlanesQueryVariables = Exact<{
 
 export type DataPlanesQuery = { __typename?: 'QueryRoot', dataPlanes: { __typename?: 'DataPlaneConnection', edges: Array<{ __typename?: 'DataPlaneEdge', node: { __typename?: 'DataPlane', name: string, cloudProvider: DataPlaneCloudProvider, region: string, isPublic: boolean, fqdn: string, cidrBlocks: Array<string>, awsIamUserArn?: string | null, gcpServiceAccountEmail?: string | null, azureApplicationClientId?: string | null, azureApplicationName?: string | null } }>, pageInfo: { __typename?: 'PageInfo', hasNextPage: boolean, endCursor?: string | null } } };
 
+export type PublicDataPlanesQueryVariables = Exact<{
+  after?: InputMaybe<Scalars['String']['input']>;
+}>;
+
+
+export type PublicDataPlanesQuery = { __typename?: 'QueryRoot', publicDataPlanes: { __typename?: 'PublicDataPlaneConnection', edges: Array<{ __typename?: 'PublicDataPlaneEdge', node: { __typename?: 'PublicDataPlane', name: string, cloudProvider: DataPlaneCloudProvider, region: string } }>, pageInfo: { __typename?: 'PageInfo', hasNextPage: boolean, endCursor?: string | null } } };
+
 export type InviteLinksQueryVariables = Exact<{
   first?: InputMaybe<Scalars['Int']['input']>;
   after?: InputMaybe<Scalars['String']['input']>;
@@ -2589,6 +2596,7 @@ export const AlertTypeDocument = {"kind":"Document","definitions":[{"kind":"Oper
 export const ConnectorsGridDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"ConnectorsGrid"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"filter"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"ConnectorsFilter"}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"after"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"connectors"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"first"},"value":{"kind":"IntValue","value":"500"}},{"kind":"Argument","name":{"kind":"Name","value":"after"},"value":{"kind":"Variable","name":{"kind":"Name","value":"after"}}},{"kind":"Argument","name":{"kind":"Name","value":"filter"},"value":{"kind":"Variable","name":{"kind":"Name","value":"filter"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"edges"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"cursor"}},{"kind":"Field","name":{"kind":"Name","value":"node"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"imageName"}},{"kind":"Field","name":{"kind":"Name","value":"logoUrl"}},{"kind":"Field","name":{"kind":"Name","value":"title"}},{"kind":"Field","name":{"kind":"Name","value":"recommended"}},{"kind":"Field","name":{"kind":"Name","value":"detail"}},{"kind":"Field","name":{"kind":"Name","value":"defaultSpec"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"imageTag"}},{"kind":"Field","name":{"kind":"Name","value":"documentationUrl"}},{"kind":"Field","name":{"kind":"Name","value":"protocol"}}]}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"pageInfo"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"hasNextPage"}},{"kind":"Field","name":{"kind":"Name","value":"endCursor"}}]}}]}}]}}]} as unknown as DocumentNode<ConnectorsGridQuery, ConnectorsGridQueryVariables>;
 export const ConnectorTagDataDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"ConnectorTagData"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"imageName"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"fullImageName"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"connector"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"imageName"},"value":{"kind":"Variable","name":{"kind":"Name","value":"imageName"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"imageName"}},{"kind":"Field","name":{"kind":"Name","value":"logoUrl"}},{"kind":"Field","name":{"kind":"Name","value":"title"}}]}},{"kind":"Field","name":{"kind":"Name","value":"connectorSpec"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"fullImageName"},"value":{"kind":"Variable","name":{"kind":"Name","value":"fullImageName"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"imageTag"}},{"kind":"Field","name":{"kind":"Name","value":"defaultCaptureInterval"}},{"kind":"Field","name":{"kind":"Name","value":"disableBackfill"}},{"kind":"Field","name":{"kind":"Name","value":"documentationUrl"}},{"kind":"Field","name":{"kind":"Name","value":"endpointSpecSchema"}},{"kind":"Field","name":{"kind":"Name","value":"resourceSpecSchema"}},{"kind":"Field","name":{"kind":"Name","value":"protocol"}}]}}]}}]} as unknown as DocumentNode<ConnectorTagDataQuery, ConnectorTagDataQueryVariables>;
 export const DataPlanesDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"DataPlanes"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"after"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"dataPlanes"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"first"},"value":{"kind":"IntValue","value":"100"}},{"kind":"Argument","name":{"kind":"Name","value":"after"},"value":{"kind":"Variable","name":{"kind":"Name","value":"after"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"edges"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"node"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"cloudProvider"}},{"kind":"Field","name":{"kind":"Name","value":"region"}},{"kind":"Field","name":{"kind":"Name","value":"isPublic"}},{"kind":"Field","name":{"kind":"Name","value":"fqdn"}},{"kind":"Field","name":{"kind":"Name","value":"cidrBlocks"}},{"kind":"Field","name":{"kind":"Name","value":"awsIamUserArn"}},{"kind":"Field","name":{"kind":"Name","value":"gcpServiceAccountEmail"}},{"kind":"Field","name":{"kind":"Name","value":"azureApplicationClientId"}},{"kind":"Field","name":{"kind":"Name","value":"azureApplicationName"}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"pageInfo"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"hasNextPage"}},{"kind":"Field","name":{"kind":"Name","value":"endCursor"}}]}}]}}]}}]} as unknown as DocumentNode<DataPlanesQuery, DataPlanesQueryVariables>;
+export const PublicDataPlanesDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"PublicDataPlanes"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"after"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"publicDataPlanes"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"first"},"value":{"kind":"IntValue","value":"100"}},{"kind":"Argument","name":{"kind":"Name","value":"after"},"value":{"kind":"Variable","name":{"kind":"Name","value":"after"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"edges"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"node"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"cloudProvider"}},{"kind":"Field","name":{"kind":"Name","value":"region"}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"pageInfo"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"hasNextPage"}},{"kind":"Field","name":{"kind":"Name","value":"endCursor"}}]}}]}}]}}]} as unknown as DocumentNode<PublicDataPlanesQuery, PublicDataPlanesQueryVariables>;
 export const InviteLinksDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"InviteLinks"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"first"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"after"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"inviteLinks"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"first"},"value":{"kind":"Variable","name":{"kind":"Name","value":"first"}}},{"kind":"Argument","name":{"kind":"Name","value":"after"},"value":{"kind":"Variable","name":{"kind":"Name","value":"after"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"edges"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"node"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"token"}},{"kind":"Field","name":{"kind":"Name","value":"ssoProviderId"}},{"kind":"Field","name":{"kind":"Name","value":"catalogPrefix"}},{"kind":"Field","name":{"kind":"Name","value":"capability"}},{"kind":"Field","name":{"kind":"Name","value":"singleUse"}},{"kind":"Field","name":{"kind":"Name","value":"detail"}},{"kind":"Field","name":{"kind":"Name","value":"createdAt"}}]}},{"kind":"Field","name":{"kind":"Name","value":"cursor"}}]}},{"kind":"Field","name":{"kind":"Name","value":"pageInfo"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"FragmentSpread","name":{"kind":"Name","value":"PageInfoFields"}}]}}]}}]}},{"kind":"FragmentDefinition","name":{"kind":"Name","value":"PageInfoFields"},"typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"PageInfo"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"hasNextPage"}},{"kind":"Field","name":{"kind":"Name","value":"hasPreviousPage"}},{"kind":"Field","name":{"kind":"Name","value":"startCursor"}},{"kind":"Field","name":{"kind":"Name","value":"endCursor"}}]}}]} as unknown as DocumentNode<InviteLinksQuery, InviteLinksQueryVariables>;
 export const CreateInviteLinkDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"CreateInviteLink"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"catalogPrefix"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"Prefix"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"capability"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"Capability"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"singleUse"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"Boolean"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"detail"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createInviteLink"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"catalogPrefix"},"value":{"kind":"Variable","name":{"kind":"Name","value":"catalogPrefix"}}},{"kind":"Argument","name":{"kind":"Name","value":"capability"},"value":{"kind":"Variable","name":{"kind":"Name","value":"capability"}}},{"kind":"Argument","name":{"kind":"Name","value":"singleUse"},"value":{"kind":"Variable","name":{"kind":"Name","value":"singleUse"}}},{"kind":"Argument","name":{"kind":"Name","value":"detail"},"value":{"kind":"Variable","name":{"kind":"Name","value":"detail"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"token"}},{"kind":"Field","name":{"kind":"Name","value":"catalogPrefix"}},{"kind":"Field","name":{"kind":"Name","value":"capability"}},{"kind":"Field","name":{"kind":"Name","value":"singleUse"}},{"kind":"Field","name":{"kind":"Name","value":"detail"}},{"kind":"Field","name":{"kind":"Name","value":"createdAt"}}]}}]}}]} as unknown as DocumentNode<CreateInviteLinkMutation, CreateInviteLinkMutationVariables>;
 export const DeleteInviteLinkDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"DeleteInviteLink"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"token"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UUID"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"deleteInviteLink"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"token"},"value":{"kind":"Variable","name":{"kind":"Name","value":"token"}}}]}]}}]} as unknown as DocumentNode<DeleteInviteLinkMutation, DeleteInviteLinkMutationVariables>;
diff --git a/src/hooks/dataPlanes/usePublicDataPlanes.ts b/src/hooks/dataPlanes/usePublicDataPlanes.ts
new file mode 100644
index 0000000000..52a29c8256
--- /dev/null
+++ b/src/hooks/dataPlanes/usePublicDataPlanes.ts
@@ -0,0 +1,21 @@
+import {
+    PUBLIC_DATA_PLANES_QUERY,
+    toPublicDataPlaneNode,
+} from 'src/api/gql/dataPlanes';
+import { useAllPages } from 'src/api/gql/useAllPages';
+
+// Public planes for the pre-tenant onboarding flow. The authenticated
+// `dataPlanes` query is useless here: a brand-new user has no grants yet,
+// so it returns nothing until the tenant is provisioned.
+export function usePublicDataPlanes() {
+    const {
+        data: dataPlanes,
+        loading,
+        error,
+    } = useAllPages(PUBLIC_DATA_PLANES_QUERY, {
+        getConnection: (data) => data.publicDataPlanes,
+        transform: toPublicDataPlaneNode,
+    });
+
+    return { dataPlanes, loading, error };
+}
diff --git a/src/lang/en-US/Authentication.ts b/src/lang/en-US/Authentication.ts
index 76460be753..aea3ff10cf 100644
--- a/src/lang/en-US/Authentication.ts
+++ b/src/lang/en-US/Authentication.ts
@@ -106,6 +106,8 @@ export const Authentication: Record<string, string> = {
     'tenant.input.label': `Organization Name`,
     'tenant.input.placeholder': `acmeCo`,
     'tenant.errorMessage.empty': `You must provide an organization name before continuing.`,
+    'tenant.dataPlane.label': `Data Plane`,
+    'tenant.dataPlane.helper': `Where your data is processed and stored. Pick the region closest to your data sources.`,
     'tenant.errorMessage.invalid': `Your organization name is invalid.`,
     'tenant.origin.errorMessage.empty': `Please let us know where you heard about us.`,
     'tenant.warningMessage.problematic': `Looks like your organization name contains "test". This is generally not recommended as you cannot rename your organization later.`,