In Croatia, Bući families are Croats (from Ivanic-Grad area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Bući live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Belovar (<10), Glavnica Donja (<5), Zagreb (<5), Klostar Ivanic in Ivanic-Grad area (<5), and in Glavnica Gornja (<5).