In Croatia, Rambusek families are predominantly Croats (from Daruvar area ), rarely Hungarians (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area.
Prevalence
Only a few people with faimily name Rambusek live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, two cities and another small place , mostly in Osijek (<5), Novska (<5), and in Sirac in Daruvar area (<5).
Outside Croatia
Family name Rambusek is present in two countries on two continents. The family name "Rambusek " is used by small number of people in the United States.