In Croatia, Oštranić families are Croats (from Garesnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica and in Garesnica area.
Prevalence
Only a few people with faimily name Oštranić live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only two Croatian places: in Ladislav in Garesnica area (<5) and Karlovac (<5).
Outside Croatia
Family name Oštranić is present in this form only in Croatia.