In Croatia, Ćurjak families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac.
Prevalence
Only a few people with faimily name Ćurjak live in Croatia today, in five households only. There were 100 of them in the middle of the past century, and their number decreased significantly. They are located in only two naselja i to in Karlovac (<10) and Vodostaj (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1933 in source Emigration Commission Zagreb.