In Croatia, Đerfi families are mainly Croats (from Cazma area ), rarely Hungarians (from Beli Manastir area ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and in Beli Manastir area. In Zmajevac in Beli Manastir area every eightieth inhabitant had the family name Đerfi.
Prevalence
About 60 people with faimily name Đerfi live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 7 cities and 9 other places, mostly in Batina in Beli Manastir area (10), Osijek (<10), Vinkovci (<10), Vukovar (<10), and in Nustar in Vinkovci area (<10).