Belobrk families are Croats and they are mostly from Djurdjevac area. In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Zagreb.
Prevalence
About 80 people with faimily name Belobrk live in Croatia today, in 40 households. There were 130 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 6 Croatian counties, in 6 cities and 7 other places, mostly in Zagreb (40), Bjelovar (15), Kalinovac in Djurdjevac area (15), Koprivnica (<10), and in Djurdjevac (<10).
Outside Croatia
Family name Belobrk is present in 8 countries on four continents. "Beloberk " is used by some 70 people in Japan , small number in Mexico , and small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.