Next.js doesn't support internationalized routing in app directory out of the box. But you can easily implement it yourself. This example shows how to implement internationalized routing on the Edge.
Deploy the example using Vercel or preview live with StackBlitz
Execute create-next-app with npm, Yarn, or pnpm to bootstrap the example:
npx create-next-app --example i18n-routing i18n-routing-appyarn create next-app --example i18n-routing i18n-routing-apppnpm create next-app --example i18n-routing i18n-routing-appDeploy it to the cloud with Vercel (Documentation).