Beloša families are Croats and they are mostly from Novi Marof. In the past century, relatively most of Croatian residents bearing this family name were born in Novi Marof and Zagreb.
Prevalence
About 100 people with faimily name Beloša live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 30 percent. They are located in 6 Croatian counties, in 9 cities and 12 other places, mostly in Zagreb (35), Grana (20), Madzarevo (10), Novi Marof (<10), and in Krizevci (<10).
Outside Croatia
Family name Beloša (including: Belosa , Bellosa ) is present in 13 countries worldwide. The family name "Belosa " is used by some 300 people in the Philippines , small number in the United States , and small number of people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.