In Croatia, Šostić families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega area and in Pozega.
Prevalence
About 20 people with faimily name Šostić live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Velika in Pozega area (<10), Krasica (<5), Zagreb (<5), Pozega (<5), and in Novo Zvecevo in Pozega area (<5).