In Croatia, Radostić families are Croats (from Omis ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and Omis.
Prevalence
About 30 people with faimily name Radostić live in Croatia today, in five households only. They are located in only threee naselja i to in Split (15), Gata (<10), and in Omis (<5).
Outside Croatia
Family name Radostić (including: Radostic , Radosztics ) is present in five countries on two continents.