Šunjerga families are Croats and they are mostly from Vodice. According to some sources they are from Nisko near Kastela. In the past century, relatively most of Croatian residents bearing this family name were born in Vodice and Split. In Čista Velika in Vodice every seventh inhabitant had the family name Šunjerga.
Prevalence
About 190 people with faimily name Šunjerga live in Croatia today, in 70 households. There were 70 of them in the middle of the past century, and their number more than doubled. They are located in 7 Croatian counties, in 12 cities and 9 other places, mostly in Cista Velika (60), Sibenik (30), Kastel Stari (25), Split (20), and in Zagreb (15).
Outside Croatia
Family name Šunjerga is present in five countries on two continents.
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.