The Croatian language uses the Roman alphabet; the very similar main language of Serbia, this alphabet
It is the official 
language of the Republic of Croatia and one of the official languages of Bosnia ... 
and it is used by Croatian ethnic and language minority members in Serbia,... [DOC] [TLE] Serbo-Croatian language | Britannica.com [PAR] Serbo-Croatian language, term of convenience used to refer to the forms of 
speech ... or Roman Catholicism and came to identify themselves as Serb or 
Croat.