In Croatia, Prošić families are Croats by relative majority (from Cazins Region (Bosnia) ), less frequently Serbs, and very rarely Bosniaks (from Cazins Region (Bosnia) ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazins Region, Bosnia (Cazin area) and in Bosanian Posavina (Bosanski Novi area). In Prošići in Cazins Region (Bosnia) every second inhabitant had the family name Prošić.
Prevalence
About 60 people with faimily name Prošić live in Croatia today, in 30 households. There were 20 of them in the middle of the past century, and their number tripled. They are located in the most of Croatian counties, in 12 cities and 11 other places, mostly in Zagreb (15), Karlovac (<10), Nasice (<10), Rijeka (<5), and in Sarsoni in Rijeka area (<5).