In Croatia, Sefić families are predominantly Croats (from Banja Luka Region (Bosnia) ), rarely Bosniaks (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazins Region, Bosnia (Velika Kladusa area) and in Cazins Region, Bosnia (Bosanska Krupa area). In Velika Jasenica in Cazins Region (Bosnia) every third inhabitant had the family name Sefić.
Prevalence
About 30 people with faimily name Sefić live in Croatia today, in 19 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in 6 Croatian counties, in 7 cities and 5 other places, mostly in Rijeka (15), Sisak (10), Zagreb (10), Vrbovsko (<5), and in Koprivnica (<5).