In Croatia, Bem families are almost entirely Croats (from Novska area ), barely Hungarians (from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Zagreb.
Prevalence
About 60 people with faimily name Bem live in Croatia today, in 30 households. There were 110 of them in the middle of the past century, and their number halved. They are located in 10 Croatian counties, in 9 cities and 5 other places, mostly in Zagreb (15), Osijek (10), Lipovljani in Novska area (<10), Virovitica (<5), and in Suhopolje in Virovitica area (<5).