In Croatia, Šac families are Croats (from Varazdin ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
About 20 people with faimily name Šac live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number doubled. They are located in four Croatian counties, threee cities and another small place , mostly in Varazdin (10), Rijeka (<10), Zagreb (<5), and in Knezevi Vinogradi in Beli Manastir area (<5).