Šubašić families are often Croats and they are mostly from Duga Resa area , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Skradin. In Bribir in Skradin every ninth inhabitant had the family name Šubašić.
Prevalence
About 140 people with faimily name Šubašić live in Croatia today, in 70 households. There were 190 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 10 Croatian counties, in 15 cities and 9 other places, mostly in Zagreb (35), Split (30), Sibenik (15), Klis in Solin area (15), and in Zrnovnica (<10).
Outside Croatia
Family name Šubašić (including: Subasic , Subasich ) is present in 27 countries worldwide. The family name "Subasic " is used by some 1000 people in Germany , about 900 in the United States , and some 500 people in Austria.
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.