In Croatia, Vinaj families are generally Croats (from Vinkovci area ), very rarely Hungarians (from Vinkovci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and in Vinkovci area.
Prevalence
About 40 people with faimily name Vinaj live in Croatia today, in 12 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, four cities and four other places, mostly in Stari Jankovci in Vinkovci area (15), Osijek (<10), Dalj in Vinkovci area (<10), Bogdanovci in Vukovar area (<5), and in Slavonski Brod (<5).