In Croatia, Ždinjak families are predominantly Rusyns (from Ilok area ), rarely Serbs, and very rarely Croats (from Ilok area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and in Srijem, Vojvodina.
Prevalence
About 20 people with faimily name Ždinjak live in Croatia today, in 10 households. They are located in only threee naselja i to in Miklusevci in Ilok area (15), Vukovar (<10), and in Zagreb (<5).
Outside Croatia
Family name Ždinjak (including: Zdinjak , Zhdinyak ) is present in four countries.