In Croatia, Čučak families are predominantly Serbs, rarely Croats (from Dubrovnik area ), and very rarely Italians (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Obrovac area and in Knin. In Podlug in Cazins Region (Bosnia) every sixth inhabitant had the family name Čučak.
Prevalence
About 40 people with faimily name Čučak live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number halved. They are located in 9 Croatian counties, in 7 cities and 7 other places, mostly in Rijeka (15), Golubic (10), Nebljusi in Obrovac area (<10), Zagreb (<5), and in Donji Lapac in Obrovac area (<5).