In Croatia, Regetaš families are Croats (from Ogulin ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj and Karlovac.
Prevalence
About 20 people with faimily name Regetaš live in Croatia today, in 10 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in four Croatian cities only: in Trg (<10), Ogulin (<10), Zagreb (<5), and in Karlovac (<5).
Outside Croatia
Family name Regetaš is present in two countries on two continents.