Marunica families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Sinj.
Prevalence
About 300 people with faimily name Marunica live in Croatia today, in 120 households. There were 130 of them in the middle of the past century, and their number more than doubled. They are located in the most of Croatian counties, in 20 cities and 26 other places, mostly in Split (55), Zagreb (50), Citluk (45), Hrvace in Sinj area (20), and in Sinj (15).
Outside Croatia
Family name Marunica is present in two countries on two continents. The family name "Marunica " is used by few 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.