In Croatia, Buč families are Croats (from Ivanec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec area.
Prevalence
Only a few people with faimily name Buč live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Vinica in Ivanec area (<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.