Brežni families are Croats and they are mostly from Varazdin. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Ivanec.
Prevalence
About 70 people with faimily name Brežni live in Croatia today, in 30 households. There were 100 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 8 cities and 11 other places, mostly in Varazdin (15), Salinovec (10), Zagreb (<10), Bjelovar (<10), and in Cestica in Ivanec area (<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.