Šimundić families are Croats and they are mostly from Imotski area. According to some sources from Kupres, Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Imotski area and in Split.
Prevalence
About 330 people with faimily name Šimundić live in Croatia today, in 140 households. There were 270 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 17 cities and 18 other places, mostly in Split (165), Zagreb (45), Djakovo (25), Rijeka (15), and in Stobrec (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.