In Croatia, Kavaj families are Croats (from Oroslavje area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Slavonski Brod.
Prevalence
About 10 people with faimily name Kavaj live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, in one city and another small place , mostly in Stubicke Toplice in Oroslavje area (<5) and Zagreb (<5).