In Croatia, Prosenjak families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and Sisak.
Prevalence
About 70 people with faimily name Prosenjak live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number more than doubled. They are only located in in 6 Croatian cities and 5 other places, mostly in Koprivnica (25), Koprivnicki Ivanec in Koprivnica area (10), Sisak (<10), Starigrad (<10), and in Velika Gorica (<10).