Boroša families are Croats and they are mostly from Donja Stubica area. According to some sources they are from Gusakovca near Gornje Stubice. In the past century, relatively most of Croatian residents bearing this family name were born in Donja Stubica area and in Zagreb.
About 250 people with faimily name Boroša live in Croatia today, in 100 households. There were 210 of them in the middle of the past century, and their number increased by 20 percent. They are located in 10 Croatian counties, in 16 cities and 21 other places, mostly in Zagreb (95), in Hum Stubicki (30) and Gornja Stubica (25) in Donja Stubica area, in Osijek area (10), Sesvete (10), in Celine (10) and in Vukovar .