In Croatia, Brezni families are almost entirely Croats (from Lepoglava area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Zagreb.
Prevalence
About 30 people with faimily name Brezni live in Croatia today, in 11 households. There were 20 of them in the middle of the past century, and their number increased by 80 percent. They are located in four Croatian counties and two other places, mostly in Zagreb (10), Zapresic (<10), Pasnik in Lepoglava area (<10), Prigorje Brdovecko in Zapresic area (<5), and in Lepoglava (<5).
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.