In Croatia, Šimunaci families are Croats (from Sveti Ivan Zelina ). 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 Šimunaci live in Croatia today, in 11 households. There were 60 of them in the middle of the past century, and their number decreased by 40 percent. They are located in only five naselja i to in Keleminovec (25), Zagreb (<10), Sveti Ivan Zelina (<10), Otocac (<5), and in Buzin (<5).
Outside Croatia
Family name Šimunaci is present in three countries on two continents. The family name "Simunaci " is used by some 60 people in the United States.