In Croatia, Kerek families are Croats (from Vukovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and Mursko Sredisce.
Prevalence
About 10 people with faimily name Kerek live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in three Croatian cities only: in Vukovar (<5), Slatina (<5), and in Mursko Sredisce (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.