In Croatia, Čvangić families are almost entirely Croats (from Belisce area ), barely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Belisce area and in Nasice.
Prevalence
About 50 people with faimily name Čvangić live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in in 6 Croatian cities and 9 other places, mostly in Marijanci in Belisce area (20), Osijek (<10), Zagreb (<10), Miholjacki Porec (<10), and in Donji Miholjac (<5).
Outside Croatia
Family name Čvangić is present in this form only in Croatia.