Šimundža families are Croats and they are mostly from Drnis area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Drnis area.
Prevalence
About 180 people with faimily name Šimundža live in Croatia today, in 70 households. There were 140 of them in the middle of the past century, and their number increased by 30 percent. They are located in 6 Croatian counties, in 10 cities and 6 other places, mostly in Split (110), Zagreb (20), Solin (20), Bisko in Sinj area (15), and in Sinj (<10).
Outside Croatia
At least five families with this surname emigrated from Croatia to Australia (4) and the United States (1). Family name Šimundža (including: Simundza , Shimunda ) is present in 10 countries on four continents. The family name "Simundza " is used by some 70 people in the United States and small number in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 2007 in source Encyclopaedia of Croatian Surnames.