In Croatia, Buzdum families are generally Serbs, very rarely Croats (from Vrbovsko area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac and Karlovac.
Prevalence
About 30 people with faimily name Buzdum live in Croatia today, in 14 households. There were 90 of them in the middle of the past century, and their number decreased significantly. They are located and four other Croatian places, mostly in Lipik (10), Daruvar (<5), Pakrac (<5), Ivanovo Polje in Daruvar area (<5), and in Velika Gorica (<5).
Outside Croatia
Family name Buzdum is present in four countries on two continents. The family name "Buzdum " is used by some 60 people in Russian Federation and small number in the United States.