diff --git a/packages/nextjs/src/config/manifest/createRouteManifest.ts b/packages/nextjs/src/config/manifest/createRouteManifest.ts
index 1e905d858f73..32e7db61b57b 100644
--- a/packages/nextjs/src/config/manifest/createRouteManifest.ts
+++ b/packages/nextjs/src/config/manifest/createRouteManifest.ts
@@ -10,6 +10,10 @@ export type CreateRouteManifestOptions = {
 * By default, route groups are stripped from paths following Next.js convention.
 */
 includeRouteGroups?: boolean;
+ /**
+ * Base path for the application, if any. This will be prefixed to all routes.
+ */
+ basePath?: string;
 };
 
 let manifestCache: RouteManifest | null = null;
@@ -192,7 +196,7 @@ export function createRouteManifest(options?: CreateRouteManifestOptions): Route
 return manifestCache;
 }
 
- const { dynamicRoutes, staticRoutes } = scanAppDirectory(targetDir, '', options?.includeRouteGroups);
+ const { dynamicRoutes, staticRoutes } = scanAppDirectory(targetDir, options?.basePath, options?.includeRouteGroups);
 
 const manifest: RouteManifest = {
 dynamicRoutes,
diff --git a/packages/nextjs/src/config/withSentryConfig.ts b/packages/nextjs/src/config/withSentryConfig.ts
index ddf761998e50..9c82e3af017c 100644
--- a/packages/nextjs/src/config/withSentryConfig.ts
+++ b/packages/nextjs/src/config/withSentryConfig.ts
@@ -147,7 +147,9 @@ function getFinalConfigObject(
 
 let routeManifest: RouteManifest | undefined;
 if (!userSentryOptions.disableManifestInjection) {
- routeManifest = createRouteManifest();
+ routeManifest = createRouteManifest({
+ basePath: incomingUserNextConfigObject.basePath,
+ });
 }
 
 setUpBuildTimeVariables(incomingUserNextConfigObject, userSentryOptions, releaseName);
diff --git a/packages/nextjs/test/config/manifest/suites/base-path/app/about/page.tsx b/packages/nextjs/test/config/manifest/suites/base-path/app/about/page.tsx
new file mode 100644
index 000000000000..e5752fa903b7
--- /dev/null
+++ b/packages/nextjs/test/config/manifest/suites/base-path/app/about/page.tsx
@@ -0,0 +1 @@
+// about page
diff --git a/packages/nextjs/test/config/manifest/suites/base-path/app/api/test/page.tsx b/packages/nextjs/test/config/manifest/suites/base-path/app/api/test/page.tsx
new file mode 100644
index 000000000000..ec89ef596f93
--- /dev/null
+++ b/packages/nextjs/test/config/manifest/suites/base-path/app/api/test/page.tsx
@@ -0,0 +1 @@
+// API test page
diff --git a/packages/nextjs/test/config/manifest/suites/base-path/app/page.tsx b/packages/nextjs/test/config/manifest/suites/base-path/app/page.tsx
new file mode 100644
index 000000000000..768d7a4f7757
--- /dev/null
+++ b/packages/nextjs/test/config/manifest/suites/base-path/app/page.tsx
@@ -0,0 +1 @@
+// root page
diff --git a/packages/nextjs/test/config/manifest/suites/base-path/app/users/[id]/page.tsx b/packages/nextjs/test/config/manifest/suites/base-path/app/users/[id]/page.tsx
new file mode 100644
index 000000000000..a7307090717b
--- /dev/null
+++ b/packages/nextjs/test/config/manifest/suites/base-path/app/users/[id]/page.tsx
@@ -0,0 +1 @@
+// users id dynamic page
diff --git a/packages/nextjs/test/config/manifest/suites/base-path/base-path.test.ts b/packages/nextjs/test/config/manifest/suites/base-path/base-path.test.ts
new file mode 100644
index 000000000000..e442f77af8a6
--- /dev/null
+++ b/packages/nextjs/test/config/manifest/suites/base-path/base-path.test.ts
@@ -0,0 +1,49 @@
+import path from 'path';
+import { describe, expect, test } from 'vitest';
+import { createRouteManifest } from '../../../../../src/config/manifest/createRouteManifest';
+
+describe('basePath', () => {
+ test('should generate routes with base path prefix', () => {
+ const manifest = createRouteManifest({
+ basePath: '/my-app',
+ appDirPath: path.join(__dirname, 'app')
+ });
+
+ expect(manifest).toEqual({
+ staticRoutes: [
+ { path: '/my-app' },
+ { path: '/my-app/about' },
+ { path: '/my-app/api/test' }
+ ],
+ dynamicRoutes: [
+ {
+ path: '/my-app/users/:id',
+ regex: '^/my-app/users/([^/]+)$',
+ paramNames: ['id'],
+ }
+ ],
+ });
+ });
+
+ test('should validate dynamic route regex with base path', () => {
+ const manifest = createRouteManifest({
+ basePath: '/my-app',
+ appDirPath: path.join(__dirname, 'app')
+ });
+
+ const dynamicRoute = manifest.dynamicRoutes.find(route => route.path === '/my-app/users/:id');
+ const regex = new RegExp(dynamicRoute?.regex ?? '');
+
+ // Should match valid paths with base path
+ expect(regex.test('/my-app/users/123')).toBe(true);
+ expect(regex.test('/my-app/users/john-doe')).toBe(true);
+
+ // Should not match paths without base path
+ expect(regex.test('/users/123')).toBe(false);
+
+ // Should not match invalid paths
+ expect(regex.test('/my-app/users/')).toBe(false);
+ expect(regex.test('/my-app/users/123/extra')).toBe(false);
+ expect(regex.test('/my-app/user/123')).toBe(false);
+ });
+});
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