In Croatia, Čerek families are mainly Croats (from Ivanic-Grad ), less frequently Serbs (from Podrinje (Bosnia) ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Brod area) and in Ivanic-Grad.
Prevalence
Only a few people with faimily name Čerek live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in three Croatian cities only: in Ivanic-Grad (<5), Slavonski Brod (<5), and in Kraljevica (<5).
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.