In Croatia, Bonjšak families are Croats (from Delnice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Klanjec area and in Delnice area. In Bratkovec in Klanjec area every ninth inhabitant had the family name Bonjšak.
Prevalence
About 10 people with faimily name Bonjšak live in Croatia today, in five households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only four Croatian places: in Ravna Gora in Delnice area (<10), Zagreb (<5), Zagorska Sela in Klanjec area (<5), and in Kosnica in Pregrada area (<5).
Outside Croatia
Family name Bonjšak is present in this form only in Croatia.
