In Croatia, Buban families are predominantly Croats (from Bjelovar area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and in Bjelovar area.
Prevalence
About 50 people with faimily name Buban live in Croatia today, in 20 households. There were 100 of them in the middle of the past century, and their number halved. They are located in 6 Croatian counties, in 10 cities and 10 other places, mostly in Zagreb (<10), Malo Korenovo (<10), Sela (<10), and in Ivanska (<10) and Severin (<10) in Bjelovar area.
Outside Croatia
Family name Buban is present in 28 countries worldwide. The family name "Buban " is used by some 8000 people in the Philippines , about 600 in Cameroon , and some 600 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.