Kvartuč families are Croats and they are mostly from Zadar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Zadar area.
Prevalence
About 130 people with faimily name Kvartuč live in Croatia today, in 60 households. There were 20 of them in the middle of the past century, and their number multiplied. They are located in 7 Croatian counties, in 10 cities and 9 other places, mostly in Zadar (40), Sopot (20), Galovac in Zadar area (20), Zagreb (15), and in Benkovac (10).
Outside Croatia
Family name Kvartuč is present in three countries on two continents. The family name "Kvartuc " 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 few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.