In Croatia, Čulubrk families are mainly Croats (from Pozega ), less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and Vinkovci. In Komušina in Pozega every twentieth inhabitant had the family name Čulubrk.
Prevalence
About 10 people with faimily name Čulubrk live in Croatia today, in three households only. They are located in three Croatian cities only: in Zagreb (<5), Komusina (<5), and in Vinkovci (<5).
Outside Croatia
Family name Čulubrk is present in two countries on two continents. The family name "Culubrk " is used by few people in the United States.