In Croatia, Derbuc families are Croats (from Klanjec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Klanjec area.
Prevalence
About 20 people with faimily name Derbuc live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only four naselja i to in Zagreb (15), Donji Dragonozec (<5), Ivanic-Grad (<5), and in Funtana in Rovinj area (<5).
Outside Croatia
Family name Derbuc is present in five countries on two continents.