In Croatia, Rosenberg families are Croats (from Slavonski Brod area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Slavonski Brod.
Prevalence
About 20 people with faimily name Rosenberg live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, four cities and two other places, mostly in Zagreb (<10), Slavonski Brod (<10), Bukovlje in Slavonski Brod area (<10), Samobor (<10), and in Donji Dragonozec (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.