What language is spoken in Croatia? Croatian is now the 24th official language of the European Union, but there are disagreements about whether it’s a distinct language or just a slightly different dialect of Serbian. Serbian nationalists believe that everyone shares the same language, “Serbian”. But many Croats persist in making their national language as distinct from Serbian as possible. Listeners will discover how politics is intruding on language, and how it is changing the map of linguistic patterns in unexpected ways.