High Quality Content by WIKIPEDIA articles! Serbian is a South Slavic language, spoken chiefly in Serbia, Bosnia and Herzegovina, Montenegro, Croatia, and in the Serbian diaspora. Standard Serbian is based on the Shtokavian dialect, like the modern Croatian and Bosnian, with which it is mutually intelligible, and was previously unified with under the standard known as Serbo-Croatian. It counts among the official languages of Serbia and Bosnia and Herzegovina and among recognized languages in Montenegro, Croatia, Romania, Republic of Macedonia and Hungary.