In Croatia, Đurđa families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and in Koprivnica area. In Selnica Podravska in Koprivnica area every tenth inhabitant had the family name Đurđa.
Prevalence
About 40 people with faimily name Đurđa live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number remains constant. They are only located in threee Croatian cities and 5 other places, mostly in Koprivnica (15), Selnica Podravska in Koprivnica area (10), Velika Gorica (<5), Lovran in Opatija area (<5), and in Donji Kraljevec in Prelog area (<5).