In Croatia, Petaković families are predominantly Croats (from Opatija area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo area and in Rijeka.
Prevalence
About 20 people with faimily name Petaković live in Croatia today, in 12 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in 8 Croatian counties, in 6 cities and 6 other places, mostly in Viskovo in Rijeka area (<5), Rukavac in Opatija area (<5), Slavonski Brod (<5), Bjelovar (<5), and in Split (<5).