In Croatia, Bubanjac families are Croats (from Zupanja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zupanja area and in Vinkovci.
Prevalence
About 10 people with faimily name Bubanjac live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number halved. They are located in only five naselja i to in Siskovci in Zupanja area (<10), Nustar in Vinkovci area (<5), Vinkovci (<5), Zagreb (<5), and in Ceric in Vinkovci area (<5).
Outside Croatia
Family name Bubanjac is present in this form only in Croatia.
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.