In Croatia, Debelak families are Croats (from Duga Resa ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Karlovac.
Prevalence
Only a few people with faimily name Debelak live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in four Croatian cities only: in Osijek (<5), Donje Mrzlo Polje Mreznicko (<5), Zagreb (<5), and in Karlovac (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.