In Croatia, Belunjak families are Croats (from Nasice ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Pula.
Prevalence
About 20 people with faimily name Belunjak 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 threee Croatian counties, threee cities and threee other places, mostly in Rovinj (<10), Pozega (<5), Martin (<5), Nasice (<5), and in Vidovci (<5).
Outside Croatia
Family name Belunjak is present in this form only in Croatia.