In Croatia, Delbijanko families are Croats (from Orahovica ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Orahovica.
Prevalence
About 20 people with faimily name Delbijanko live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Fericanci in Orahovica area (<10), Stara Josava (<10), Zagreb (<5), Mandicevac in Djakovo area (<5), and in Krnica in Pula area (<5).
Outside Croatia
Family name Delbijanko is present in two countries on two continents.