In Croatia, Belulović families are generally Croats (from Labin area ), very rarely Slovenes (from Bakar ). In the past century, relatively most of Croatian residents bearing this family name were born in Labin area.
Prevalence
About 10 people with faimily name Belulović live in Croatia today, in 7 households. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in only four Croatian places: in Rijeka (<10), Kozljak in Labin area (<5), Kukuljanovo (<5), and in Gondolici (<5).