In Croatia, Peršak families are almost entirely Croats (from Cakovec ), barely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and in Prelog area.
Prevalence
About 50 people with faimily name Peršak live in Croatia today, in 20 households. There were 20 of them in the middle of the past century, and their number more than doubled. They are located in two Croatian counties, in one city and 9 other places, mostly in Cakovec (25), Podturen in Mursko Sredisce area (<10), Velesevec in Ivanic-Grad area (<10), Ziskovec (<5), and in Ivanovec (<5).