In Croatia, Pehak families are almost entirely Croats (from Koprivnica area ), barely Hungarians. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and in Koprivnica area.
Prevalence
About 40 people with faimily name Pehak live in Croatia today, in 17 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, threee cities and 7 other places, mostly in Koprivnica (10), Peteranec in Koprivnica area (<10), Drnek in Ivanic-Grad area (<5), Zagreb (<5), and in Okuje (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.