Čerkez families are almost entirely Croats and they are mostly from Herzegovina , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Siroki Brijeg area) and in Bosanian Posavina (Gradacac area). In Čerigaj in Herzegovina every fifth inhabitant had the family name Čerkez.
Prevalence
About 330 people with faimily name Čerkez live in Croatia today, in 140 households. There were 220 of them in the middle of the past century, and their number increased by 50 percent. They are located in almost all Croatian counties, in 29 cities and 50 other places, mostly in Zagreb (65), Zupanja (20), Sesvete (20), Celine (20), and in Makarska (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1683 in source Catholic Church Parish Records.