In Croatia, Bersak families are predominantly Croats (from Zagreb ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Mursko Sredisce area.
Prevalence
Only a few people with faimily name Bersak live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Zagreb (<10), Samobor (<5), and in Brezje in Cakovec area (<5).