In Croatia, Božjak families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac.
Prevalence
About 10 people with faimily name Božjak live in Croatia today, in three households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Recica (10).