Borbaš families are mainly Croats and they are mostly from Slatina area , rarely Hungarians. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Slatina area.
Prevalence
About 120 people with faimily name Borbaš live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 8 cities and 15 other places, mostly in Osijek (35), Zagreb (20), Slatina (10), Tenja (10), and in Cepin in Osijek area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.