In Croatia, Trivunić families are generally Croats (from Bjelovar area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica and in Hrvatska Kostajnica area.
Prevalence
Only a few people with faimily name Trivunić live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in threee Croatian counties, threee cities and threee other places, mostly in Veliko Trojstvo in Bjelovar area (<5), Zagreb (<5), Hrvatska Kostajnica (<5), Sisak (<5), and in Topolovac (<5).
Outside Croatia
Family name Trivunić is present in 6 countries on three continents. The family name "Trivunic " is used by few people in the United States.
