In Croatia, Đerke families are generally Croats (from Grubisno Polje ), very rarely Hungarians (from Vinkovci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and in Vinkovci area.
Prevalence
About 30 people with faimily name Đerke live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number remains constant. They are only located in four Croatian cities and 6 other places, mostly in Grubisno Polje (10), Osijek (<10), Vukovar (<5), Ivanic-Grad (<5), and in Veliki Zdenci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1664 in source Catholic Church Parish Records.