In Croatia, Osoja families are Croats (from Ozalj ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Ozalj.
Prevalence
About 10 people with faimily name Osoja live in Croatia today, in 7 households. There were 20 of them in the middle of the past century, and their number halved. They are located in two Croatian counties, two cities and 5 other places, mostly in Draganic in Karlovac area (<5), Vrhovacki Sopot (<5), Velika Trnava in Garesnica area (<5), Ozalj (<5), and in Ladvenjak (<5).
