In Croatia, Brezar families are generally Croats (from Jastrebarsko ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Sarajevo area) and in Karlovac.
Prevalence
About 40 people with faimily name Brezar live in Croatia today, in 15 households. There were 50 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties, threee cities and four other places, mostly in Jastrebarsko (<10), Brezari (<10), Petrovina (<10), Zagreb (<5), and in Pozega (<5).
Outside Croatia
Family name Brezar is present in 9 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1925 in source Emigration Commission Zagreb.