In Croatia, Zmazek families are generally Croats (from Sveti Ivan Zelina ), very rarely Slovenes (from Serbia ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina.
Prevalence
About 40 people with faimily name Zmazek live in Croatia today, in 18 households. There were 50 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 6 cities and another small place , mostly in Zagreb (30), Split (<10), Sveta Helena (<5), Koprivnica (<5), and in Zapresic (<5).