In Croatia, Bermarija families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac.
Prevalence
About 10 people with faimily name Bermarija live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Recica (<10) and Zagreb (<5).
Outside Croatia
Family name Bermarija is present in four countries on three continents.