diff --git a/libs/common/src/constants/controller-route.ts b/libs/common/src/constants/controller-route.ts
index 13a0dd3..be342a9 100644
--- a/libs/common/src/constants/controller-route.ts
+++ b/libs/common/src/constants/controller-route.ts
@@ -220,7 +220,7 @@ export class ControllerRoute {
 
   static SUBSPACE = class {
     public static readonly ROUTE =
-      '/communities/:communityUuid/spaces/:spaceUuid/subspaces';
+      '/projects/:projectUuid/communities/:communityUuid/spaces/:spaceUuid/subspaces';
     static ACTIONS = class {
       public static readonly CREATE_SUBSPACE_SUMMARY = 'Create Subspace';
       public static readonly CREATE_SUBSPACE_DESCRIPTION =
diff --git a/src/space/services/subspace/subspace.service.ts b/src/space/services/subspace/subspace.service.ts
index 22c60ee..e99c928 100644
--- a/src/space/services/subspace/subspace.service.ts
+++ b/src/space/services/subspace/subspace.service.ts
@@ -13,6 +13,7 @@ import {
 } from '@app/common/models/typeOrmCustom.model';
 import { PageResponse } from '@app/common/dto/pagination.response.dto';
 import { SubspaceDto } from '@app/common/modules/space/dtos';
+import { SpaceService } from '../space.service';
 
 @Injectable()
 export class SubSpaceService {
@@ -20,16 +21,18 @@ export class SubSpaceService {
     private readonly spaceRepository: SpaceRepository,
     private readonly communityRepository: CommunityRepository,
     private readonly subspaceRepository: SubspaceRepository,
+    private readonly spaceService: SpaceService,
   ) {}
 
   async createSubspace(
     addSubspaceDto: AddSubspaceDto,
     params: GetSpaceParam,
   ): Promise<BaseResponseDto> {
-    const { communityUuid, spaceUuid } = params;
-    const space = await this.validateCommunityAndSpace(
+    const { communityUuid, spaceUuid, projectUuid } = params;
+    const space = await this.spaceService.validateCommunityAndSpace(
       communityUuid,
       spaceUuid,
+      projectUuid,
     );
 
     try {
@@ -54,8 +57,12 @@ export class SubSpaceService {
     params: GetSpaceParam,
     pageable: Partial<TypeORMCustomModelFindAllQuery>,
   ): Promise<BaseResponseDto> {
-    const { communityUuid, spaceUuid } = params;
-    await this.validateCommunityAndSpace(communityUuid, spaceUuid);
+    const { communityUuid, spaceUuid, projectUuid } = params;
+    await this.spaceService.validateCommunityAndSpace(
+      communityUuid,
+      spaceUuid,
+      projectUuid,
+    );
 
     try {
       pageable.modelName = 'subspace';
@@ -74,8 +81,12 @@ export class SubSpaceService {
   }
 
   async findOne(params: GetSubSpaceParam): Promise<BaseResponseDto> {
-    const { communityUuid, subSpaceUuid, spaceUuid } = params;
-    await this.validateCommunityAndSpace(communityUuid, spaceUuid);
+    const { communityUuid, subSpaceUuid, spaceUuid, projectUuid } = params;
+    await this.spaceService.validateCommunityAndSpace(
+      communityUuid,
+      spaceUuid,
+      projectUuid,
+    );
     try {
       const subSpace = await this.subspaceRepository.findOne({
         where: {
@@ -110,8 +121,12 @@ export class SubSpaceService {
     params: GetSubSpaceParam,
     updateSubSpaceDto: AddSubspaceDto,
   ): Promise<BaseResponseDto> {
-    const { spaceUuid, communityUuid, subSpaceUuid } = params;
-    await this.validateCommunityAndSpace(communityUuid, spaceUuid);
+    const { spaceUuid, communityUuid, subSpaceUuid, projectUuid } = params;
+    await this.spaceService.validateCommunityAndSpace(
+      communityUuid,
+      spaceUuid,
+      projectUuid,
+    );
 
     const subSpace = await this.subspaceRepository.findOne({
       where: { uuid: subSpaceUuid },
@@ -146,8 +161,12 @@ export class SubSpaceService {
   }
 
   async delete(params: GetSubSpaceParam): Promise<BaseResponseDto> {
-    const { spaceUuid, communityUuid, subSpaceUuid } = params;
-    await this.validateCommunityAndSpace(communityUuid, spaceUuid);
+    const { spaceUuid, communityUuid, subSpaceUuid, projectUuid } = params;
+    await this.spaceService.validateCommunityAndSpace(
+      communityUuid,
+      spaceUuid,
+      projectUuid,
+    );
 
     const subspace = await this.subspaceRepository.findOne({
       where: { uuid: subSpaceUuid },
@@ -174,30 +193,4 @@ export class SubSpaceService {
       );
     }
   }
-
-  private async validateCommunityAndSpace(
-    communityUuid: string,
-    spaceUuid: string,
-  ) {
-    const community = await this.communityRepository.findOne({
-      where: { uuid: communityUuid },
-    });
-    if (!community) {
-      throw new HttpException(
-        `Community with ID ${communityUuid} not found`,
-        HttpStatus.NOT_FOUND,
-      );
-    }
-
-    const space = await this.spaceRepository.findOne({
-      where: { uuid: spaceUuid, community: { uuid: communityUuid } },
-    });
-    if (!space) {
-      throw new HttpException(
-        `Space with ID ${spaceUuid} not found`,
-        HttpStatus.NOT_FOUND,
-      );
-    }
-    return space;
-  }
 }