In Croatia, Ostrun families are Croats (from Ilok area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ilok area and in Vukovar.
Prevalence
About 60 people with faimily name Ostrun live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 10 cities and 7 other places, mostly in Lovas in Ilok area (20), Djurdjenovac in Nasice area (<10), Zagreb (<10), Rakovica in Slunj area (<10), and in Sisak (<5).
Outside Croatia
Family name Ostrun is present in 7 countries on three continents.
