In Croatia, Romštajn families are Croats (from Pozega area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and in Pozega area.
Prevalence
About 10 people with faimily name Romštajn live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Rajsavac in Pozega area (<10), Zagreb (<5), Pozega (<5), Jaksic in Pozega area (<5), and in Osijek (<5).
Outside Croatia
Family name Romštajn (including: Romstajn , Romstein ) is present in four countries on two continents.