It is one of the ethnically heterogeneous areas in Croatia. The largest ethnic group are Croats, after them follow Serbs and Hungarians, as well as some smaller ethnic groups such as Pannonian Rusyns, Slovaks, Ukrainians, Romani people, Germans, etc. Croats constitute an absolute majority of people in Podunavlje, while Serbs make up largest ethnic minority. Hungarians are third ethnic group by number and mostly live in area of Baranya. Pannonian Rusyns live mainly in Petrovci and Mikluševci. More than one-fifth of total number of Slovaks in country live in Ilok.