In Croatia, Kajkavac families are Croats (from Ozalj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj area and in Zagreb.
Prevalence
About 10 people with faimily name Kajkavac live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee Croatian places: in Zagreb (<10), Kast (<10), and in Kostanjevac in Ozalj area (<5).