In Croatia, Vinac families are Croats (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Vitez area) and in Middle Bosnia (Travnik area).
Prevalence
About 10 people with faimily name Vinac live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are only located in four Croatian cities and two other places, mostly in Zagreb (<5), Petrcane (<5), Rijeka (<5), Dugi Rat in Omis area (<5), and in Kozino (<5).