In Croatia, Bumba families are almost entirely Croats (from Pozega ), barely Slovenes (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Kotor Varos area) and in Pozega.
Prevalence
About 40 people with faimily name Bumba live in Croatia today, in 14 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are only located in four Croatian cities and four other places, mostly in Pozega (<10), Sibenik (<10), Suhopolje in Virovitica area (<10), Vidovci (<5), and in Zagreb (<5).