In Croatia, Buča families are Croats (from Biograd na moru ). In the past century, relatively most of Croatian residents bearing this family name were born in Biograd na moru and Zadar.
Prevalence
About 40 people with faimily name Buča live in Croatia today, in 20 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in four Croatian cities only: in Biograd na moru (25), Zagreb (10), Split (10), and in Zadar (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.