diff --git a/apps/backend/app/Http/Controllers/Api/RegionController.php b/apps/backend/app/Http/Controllers/Api/RegionController.php
new file mode 100644
index 00000000..0090a47e
--- /dev/null
+++ b/apps/backend/app/Http/Controllers/Api/RegionController.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Models\Citizen;
+use App\Models\Hamlet;
+use Illuminate\Http\Request;
+
+class RegionController extends Controller
+{
+    // ==========================================
+    // HAMLETS
+    // ==========================================
+
+    public function indexHamlets()
+    {
+        return response()->json([
+            'data' => Hamlet::orderBy('name')->get(),
+        ]);
+    }
+
+    public function storeHamlet(Request $request)
+    {
+        $this->authorizePetugasDesa($request);
+
+        $data = $request->validate([
+            'name' => 'required|string|max:255',
+            'code' => 'required|string|max:50|unique:hamlets,code',
+        ], [
+            'code.unique' => 'Kode dusun sudah digunakan',
+        ]);
+
+        $hamlet = Hamlet::create([
+            'name' => $data['name'],
+            'code' => $data['code'],
+            'village_id' => $request->user()->village_id,
+            'is_active' => true,
+        ]);
+
+        return response()->json(['data' => $hamlet], 201);
+    }
+
+    public function updateHamlet(Request $request, Hamlet $hamlet)
+    {
+        $this->authorizePetugasDesa($request);
+
+        $data = $request->validate([
+            'name' => 'sometimes|string|max:255',
+            'is_active' => 'sometimes|boolean',
+        ]);
+
+        $this->guardDeactivation($data, $hamlet, Citizen::where('hamlet_id', $hamlet->id));
+
+        $hamlet->update($data);
+
+        return response()->json(['data' => $hamlet]);
+    }
+
+    public function destroyHamlet(Request $request, Hamlet $hamlet)
+    {
+        $this->authorizePetugasDesa($request);
+
+        $citizenQuery = Citizen::where('hamlet_id', $hamlet->id);
+
+        if ($citizenQuery->exists()) {
+            abort(409, 'Dusun tidak bisa dihapus karena masih ada warga terdaftar di wilayah ini.');
+        }
+
+        $hamlet->delete();
+
+        return response()->json(['message' => 'Dusun berhasil dihapus.']);
+    }
+
+    // ==========================================
+    // HELPERS
+    // ==========================================
+
+    private function authorizePetugasDesa(Request $request)
+    {
+        if ($request->user()->role !== 'petugas_desa') {
+            abort(403, 'Hanya Petugas Desa yang berwenang.');
+        }
+    }
+
+    private function guardDeactivation(array $data, $region, $citizenQuery)
+    {
+        $isDeactivating = array_key_exists('is_active', $data)
+            && !$data['is_active']
+            && $region->is_active;
+
+        if ($isDeactivating && $citizenQuery->where('is_active', true)->exists()) {
+            abort(409, 'Dusun tidak bisa dinonaktifkan karena masih ada warga aktif terdaftar di wilayah ini.');
+        }
+    }
+}
diff --git a/apps/backend/routes/api.php b/apps/backend/routes/api.php
index 40026d79..31678a35 100644
--- a/apps/backend/routes/api.php
+++ b/apps/backend/routes/api.php
@@ -19,6 +19,7 @@
 use App\Http\Controllers\Api\LetterDownloadController;
 use App\Http\Controllers\VillageController;
 use App\Http\Controllers\Api\UserController;
+use App\Http\Controllers\Api\RegionController;
 //use App\Http\Controllers\Api\OfficialController;
 
 /*
@@ -97,6 +98,11 @@
 
     Route::get('/letter-types', [LetterTypeController::class, 'index']);
 
+    Route::get('/hamlets', [RegionController::class, 'indexHamlets']);
+    Route::post('/hamlets', [RegionController::class, 'storeHamlet']);
+    Route::patch('/hamlets/{hamlet}', [RegionController::class, 'updateHamlet']);
+    Route::delete('/hamlets/{hamlet}', [RegionController::class, 'destroyHamlet']);
+    
     Route::post('/letters', [LetterController::class, 'store']);
 
     Route::get('/letters', [LetterController::class, 'index']);
diff --git a/apps/backend/tests/Feature/RegionControllerTest.php b/apps/backend/tests/Feature/RegionControllerTest.php
new file mode 100644
index 00000000..845ba560
--- /dev/null
+++ b/apps/backend/tests/Feature/RegionControllerTest.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Citizen;
+use App\Models\Hamlet;
+use App\Models\User;
+use App\Models\Village;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class RegionControllerTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private function petugasDesa(Village $village): User
+    {
+        return User::factory()->create([
+            'village_id' => $village->id,
+            'role' => 'petugas_desa',
+        ]);
+    }
+
+    public function test_petugas_desa_can_create_list_and_update_hamlets(): void
+    {
+        $village = Village::create(['name' => 'Desa Cibenda', 'code' => 'CBD']);
+        $user = $this->petugasDesa($village);
+
+        $this->actingAs($user)
+            ->postJson('/api/hamlets', ['name' => 'Dusun Patrol', 'code' => 'PTR'])
+            ->assertCreated()
+            ->assertJsonPath('data.name', 'Dusun Patrol');
+
+        $hamlet = Hamlet::firstWhere('code', 'PTR');
+
+        $this->actingAs($user)
+            ->getJson('/api/hamlets')
+            ->assertOk()
+            ->assertJsonCount(1, 'data');
+
+        $this->actingAs($user)
+            ->patchJson("/api/hamlets/{$hamlet->id}", ['name' => 'Dusun Patrol Baru'])
+            ->assertOk()
+            ->assertJsonPath('data.name', 'Dusun Patrol Baru');
+    }
+
+    public function test_non_petugas_desa_cannot_create_hamlet(): void
+    {
+        $village = Village::create(['name' => 'Desa Cibenda', 'code' => 'CBD']);
+        $user = User::factory()->create(['village_id' => $village->id, 'role' => 'rt']);
+
+        $this->actingAs($user)
+            ->postJson('/api/hamlets', ['name' => 'Dusun Patrol', 'code' => 'PTR'])
+            ->assertForbidden();
+    }
+
+    public function test_duplicate_hamlet_code_is_rejected(): void
+    {
+        $village = Village::create(['name' => 'Desa Cibenda', 'code' => 'CBD']);
+        $user = $this->petugasDesa($village);
+        Hamlet::create(['name' => 'Dusun A', 'code' => 'PTR', 'village_id' => $village->id, 'is_active' => true]);
+
+        $this->actingAs($user)
+            ->postJson('/api/hamlets', ['name' => 'Dusun B', 'code' => 'PTR'])
+            ->assertUnprocessable()
+            ->assertJsonValidationErrors('code');
+    }
+
+    public function test_deactivating_hamlet_with_active_citizens_is_blocked(): void
+    {
+        $village = Village::create(['name' => 'Desa Cibenda', 'code' => 'CBD']);
+        $user = $this->petugasDesa($village);
+        $hamlet = Hamlet::create(['name' => 'Dusun A', 'code' => 'PTR', 'village_id' => $village->id, 'is_active' => true]);
+
+        Citizen::create([
+            'village_id' => $village->id,
+            'nik' => '3218030101010001',
+            'nik_hash' => hash('sha256', '3218030101010001'),
+            'name' => 'Warga Aktif',
+            'date_of_birth' => '1990-01-01',
+            'gender' => 'L',
+            'address' => 'Desa Cibenda',
+            'hamlet_id' => $hamlet->id,
+            'is_active' => true,
+        ]);
+
+        $this->actingAs($user)
+            ->patchJson("/api/hamlets/{$hamlet->id}", ['is_active' => false])
+            ->assertStatus(409);
+
+        $this->assertTrue($hamlet->fresh()->is_active);
+    }
+
+    public function test_deactivating_hamlet_without_active_citizens_succeeds(): void
+    {
+        $village = Village::create(['name' => 'Desa Cibenda', 'code' => 'CBD']);
+        $user = $this->petugasDesa($village);
+        $hamlet = Hamlet::create(['name' => 'Dusun A', 'code' => 'PTR', 'village_id' => $village->id, 'is_active' => true]);
+
+        $this->actingAs($user)
+            ->patchJson("/api/hamlets/{$hamlet->id}", ['is_active' => false])
+            ->assertOk()
+            ->assertJsonPath('data.is_active', false);
+    }
+}