In Croatia, Rožan 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 Rožan live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in three Croatian cities only: in Sisljavic (10), Zagreb (<5), and in Ogulin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.