In Croatia, Rosković families are Croats (from Nasice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice area and in Nasice.
Prevalence
About 30 people with faimily name Rosković live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in four Croatian counties, threee cities and 5 other places, mostly in Nasice (10), Zagreb (<5), Seona in Nasice area (<5), Buzdohanj in Rijeka area (<5), and in Donja Moticina in Nasice area (<5).
