Google added 37 more languages in the latest update to Google Sites that let people and businesses around the world to build and host their own website on Google Sites. Google Sites was opened to public this year in May in English with the ability to add website content in any language.
The latest release includes full localized versions of the Google Sites service and interface, enabling website creators and collaborators to interact more naturally with the product in their native languages. Browser settings are used to automatically detect and display the preferred language among those supported. You can also override the browser language and set your language preference directly in Google Sites
More info: Google Sites Blog