In Croatia, Bainac families are Croats (from Zupanja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zupanja area.
Prevalence
About 40 people with faimily name Bainac live in Croatia today, in 14 households. There were 20 of them in the middle of the past century, and their number doubled. They are located and two other Croatian places, mostly in Racinovci in Zupanja area (15), Zagreb (<10), Vinkovci (<10), Djurici in Zupanja area (<5), and in Cakovec (<5).
Outside Croatia
Family name Bainac is present in this form only in Croatia.