FRONTEND_MVC/components/admin/ckeditor/plugins/slideshow/lang/Serbian_translation.txt

Serbian translation...
Notice..
montenegrian, and Bosnian and Croatian are a Same...
but here we have TWO ways... latin and Cirilic...
In CKEditor that latin have index 'sr-latn' and cyrilic is index only 'sr '

Montenegrian and bosnian and croatian knows too cyrilic but they won't put them on the internet :)
however...