In Croatia, Čučuk families are almost entirely Croats (from Dubrovnik area and from Ilok ). The surname is of Turkish origin. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Zagreb.
Prevalence
About 40 people with faimily name Čučuk live in Croatia today, in 17 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in 7 Croatian counties, in 7 cities and threee other places, mostly in Zagreb (15), Dubrovnik (15), Ilok (<10), and in Zastolje (<10) and Dunave (<5) in Dubrovnik area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1931 in source Emigration Commission Zagreb.