Podunavac families are predominantly Serbs and they are mostly from Hrvatska Kostajnica area , less frequently Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Kutina. In Donja Pastuša in Petrinja every second inhabitant had the family name Podunavac.
Prevalence
About 170 people with faimily name Podunavac live in Croatia today, in 80 households. There were 330 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 22 cities and 25 other places, mostly in Sisak (25), Tenja (20), Kutina (15), Lipik (10), and in Zagreb (<10).
Outside Croatia
At least four families with this surname emigrated from Croatia to: the United States (2), Germany (1), and to France (1). Family name Podunavac is present in 7 countries on two continents. The family name "Podunavac " is used by small number of people in the United States and small number in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.
