In Croatia, Belša families are almost entirely Croats (from Virovitica area ), very rarely Montenegrins (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Virovitica area.
Prevalence
About 30 people with faimily name Belša live in Croatia today, in 15 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 7 cities and two other places, mostly in Zagreb (10), Spisic Bukovica in Virovitica area (<10), Gracec in Dugo Selo area (<5), Rijeka (<5), and in Koprivnica (<5).