Bunjan families are Croats and they are mostly from Petrinja. In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja and Sisak. In Graberje in Petrinja every fifth inhabitant had the family name Bunjan.
Prevalence
About 80 people with faimily name Bunjan live in Croatia today, in 30 households. There were 110 of them in the middle of the past century, and their number decreased by 30 percent. They are located in two Croatian counties, four cities and 8 other places, mostly in Graberje (30), Petrinja (15), Zagreb (<10), Sisak (<10), and in Hrastovica (<10).