Fuštar families are mainly Croats and they are mostly from Sinj area , but often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Split. In Krušvar in Sinj area every fiftieth inhabitant had the family name Fuštar.
Prevalence
About 70 people with faimily name Fuštar live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 7 Croatian counties, in 6 cities and 9 other places, mostly in Split (25), Krusvar in Sinj area (20), Slavonski Brod (10), Zagreb (<10), and in Kljucar in Duga Resa area (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Fuštar is present in 7 countries on two continents. The family name "Fustar " is used by small number of people in the United States.
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.