In Croatia, Vagaj families are almost entirely Croats (from Koprivnica area ), very rarely Slovenes (from Prelog area ). In the past century, relatively most of Croatian residents bearing this family name were born in Prelog and in Prelog area.
Prevalence
About 20 people with faimily name Vagaj live in Croatia today, in 11 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in two Croatian cities and 5 other places, mostly in Cehovec (<10), Donja Dubrava in Koprivnica area (<10), Hodosan in Prelog area (<10), Cakovec (<5), and in Sveti Juraj u Trnju in Prelog area (<5).