Borac families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Brcko area) and in Zagreb.
Prevalence
About 130 people with faimily name Borac live in Croatia today, in 40 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in four Croatian counties, four cities and 8 other places, mostly in Zagreb (80), Koprivnica (15), Sesvete (10), Soljani in Zupanja area (10), and in Brckovljani in Dugo Selo area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.