In Croatia, Peterfai families are generally Croats (from Slatina area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Slatina area. In Starin in Slatina area every tenth inhabitant had the family name Peterfai.
Prevalence
About 10 people with faimily name Peterfai live in Croatia today, in five households only. They are located in threee Croatian counties, two cities and four other places, mostly in Sasevo in Slatina area (<10), Zagreb (<5), Velika Gorica (<5), Sesvete (<5), and in Vukovina (<5).
Outside Croatia
Family name Peterfai is present in three countries on two continents.