In Croatia, Rohrbarher families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac.
Prevalence
Only a few people with faimily name Rohrbarher live in Croatia today, in one household only. They are located in only one small Croatian place, in Dvorjanci (<5).
Outside Croatia
Family name Rohrbarher is present in this form only in Croatia.