In Croatia, Osaj families are predominantly Croats (from Koprivnica area ), rarely Albanians (from Kosovo ). In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo.
Prevalence
Only a few people with faimily name Osaj live in Croatia today, in two households only. They are located in only two Croatian places: in Zagreb (<5) and Torcec in Koprivnica area (<5).