In Croatia, Brzaj families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and in Ludbreg area.
Prevalence
About 60 people with faimily name Brzaj live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number increased by 60 percent. They are located in 8 Croatian counties, in 8 cities and 8 other places, mostly in Piskorevci (10), Zagreb (<10), Hrzenica in Ludbreg area (<10), Rijeka (<5), and in Sesvete (<5).