In Croatia, Brinjak families are generally Croats (from Pakrac ), rarely Serbs, and barely Italians (from Pakrac ). In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac and in Duga Resa area.
Prevalence
About 50 people with faimily name Brinjak live in Croatia today, in 17 households. There were 110 of them in the middle of the past century, and their number halved. They are located and 6 other Croatian places, mostly in Veliki Banovac (10), Karlovac (<10), Djakovo (<10), Vrbovsko (<10), and in Pakrac (<10).