In Croatia, Bužak families are Croats (from Cazma area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazma area and in Zagreb. In Staro Štefanje in Cazma area every twentieth inhabitant had the family name Bužak.
Prevalence
About 40 people with faimily name Bužak live in Croatia today, in 13 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties and four other places, mostly in Zagreb (15), in Staro Stefanje (10) and Laminac (<10) in Cazma area, Kapela in Bjelovar area (<5), and in Daskatica in Cazma area (<5).