Bubnić families are predominantly Croats and they are mostly from Zagreb , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka.
Prevalence
About 90 people with faimily name Bubnić live in Croatia today, in 30 households. There were 110 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 8 cities and 9 other places, mostly in Zagreb (25), Rijeka (15), Strmec (15), Kupinec in Jastrebarsko area (<5), and in Cernik in Rijeka area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.