In Croatia, Brkiš families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Petrinja area.
Prevalence
About 30 people with faimily name Brkiš live in Croatia today, in 16 households. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, four cities and 8 other places, mostly in Letovanic in Petrinja area (<10), Veliko Svinjicko (<10), Nustar in Vinkovci area (<5), Popovaca in Kutina area (<5), and in Sisak (<5).