Bužančić families are Croats and they are mostly from Kastela area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Kastela area.
Prevalence
About 180 people with faimily name Bužančić live in Croatia today, in 90 households. There were 210 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 13 cities and 6 other places, mostly in Split (85), Zagreb (40), Lecevica in Kastela area (30), Solin (10), and in Plano (<10).
Outside Croatia
Family name Bužančić (including: Buzancic , Buzancich ) is present in 10 countries on two continents. The family name "Buzancic " is used by small number of people in the United States and small number in Sweden.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 2007 in source Encyclopaedia of Croatian Surnames.