In Croatia, Svetac families are Croats (from Dubrovnik ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Dubrovnik area.
Prevalence
About 50 people with faimily name Svetac live in Croatia today, in 18 households. There were 50 of them in the middle of the past century, and their number remains constant. They are only located in in 6 Croatian cities and 7 other places, mostly in Dubrovnik (15), Lopud (<10), Nova Mokosica (<5), Mokosica (<5), and in Prijevor (<5).
Outside Croatia
Family name Svetac (including: Svetaz , Svetach ) is present in 6 countries on three 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.