The pages/404.tsx page allows to customise the 404 error displayed to the end user. See https://nextjs.org/docs/advanced-features/custom-error-page#404-page But, since it lives in /pages and not /pages/[locale] as do my other Pages, it doesn't benefit from i18n support. I have successfully displayed the 404 page, but it's the same for all languages (no i18n support). I tried to use getStaticPaths,