Žunac families are Croats and they are mostly from Garesnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Bjelovar.
Prevalence
About 150 people with faimily name Žunac live in Croatia today, in 70 households. There were 280 of them in the middle of the past century, and their number halved. They are located in 9 Croatian counties, in 10 cities and 15 other places, mostly in Recica (40), Zagreb (30), Karlovac (25), Belajske Poljice in Duga Resa area (<10), and in Bjelovar (<10).
Outside Croatia
Family name Žunac is present in two countries on two continents. The family name "Zunac " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.