In Croatia, Cuca families are generally Croats (from Orahovica area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica.
Prevalence
About 10 people with faimily name Cuca live in Croatia today, in two 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 Cacinci in Orahovica area (10) and Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1935 in source Emigration Commission Zagreb.