In Croatia, Boka families are generally Croats (from Valpovo area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Valpovo area and in Karlovac.
Prevalence
About 10 people with faimily name Boka live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and four other places, mostly in Duga Resa (<5), Brodjanci in Valpovo area (<5), Karlovac (<5), Porec (<5), and in Visnjevac (<5).