Šimetić families are Croats and they are mostly from Buzet area. In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci area and in Buzet area.
Prevalence
About 100 people with faimily name Šimetić live in Croatia today, in 40 households. There were 100 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 11 cities and 13 other places, mostly in Ivankovo in Vinkovci area (30), Komarovci in Pozega area (10), Podgajci Podravski (<10), Porec (<10), and in Satnica Djakovacka in Djakovo area (<10).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and Germany (1). Family name Šimetić (including: Simetic , Simetich ) is present in 6 countries on two continents. "Simetich " is used by few 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.