In Croatia, Biberžnjak families are Croats (from Mursko Sredisce area ). In the past century, relatively most of Croatian residents bearing this family name were born in Mursko Sredisce area.
Prevalence
Only a few people with faimily name Biberžnjak live in Croatia today, in one household only. They are located in only two Croatian places: in Robadje in Mursko Sredisce area (<5) and Ludbreg (<5).
Outside Croatia
Family name Biberžnjak is present in this form only in Croatia.
