In Croatia, Zmijanac families are mainly Croats (from Kutina ), rarely Serbs, and very rarely Czechs (from Grubisno Polje ). In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica and Grubisno Polje.
Prevalence
About 30 people with faimily name Zmijanac live in Croatia today, in 17 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 8 cities and two other places, mostly in Kutina (10), Velika Brsljanica (<10), Veliki Zdenci (<5), Slabinja in Hrvatska Kostajnica area (<5), and in Zagreb (<5).
Outside Croatia
Family name Zmijanac is present in 8 countries on two continents. The family name "Zmijanac " is used by small number of people in the United States.