Antunović families are Croats and they are mostly from Vrgorac area. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Brcko area) and in Bosanian Posavina (Bosanska Gradiska area). In Kozica in Vrgorac every fourth inhabitant had the family name Antunović.
Prevalence
About 2700 people with faimily name Antunović live in Croatia today, in 1100 households. There were 990 of them in the middle of the past century, and their number more than doubled. They are located in all Croatian counties, in 84 cities and 274 other places, mostly in Zagreb (520), Split (140), Sesvete (105), Makarska (90), and in Osijek (90).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1749 in source 18th Century Census.