In Croatia, Bose families are predominantly Italians (from Umag ), rarely Croats (also from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and in Slovenia.
Prevalence
About 20 people with faimily name Bose live in Croatia today, in 8 households. They are located in only two naselja i to in Umag (15) and Zambratija (<5).