Rosan families are Croats and they are mostly from Biograd na Moru area. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Biograd na moru area.
Prevalence
About 120 people with faimily name Rosan live in Croatia today, in 50 households. There were 60 of them in the middle of the past century, and their number doubled. They are located in 7 Croatian counties, in 9 cities and threee other places, mostly in Pakostane in Biograd na moru area (75), Zagreb (25), Sinj (10), Crnac in Slatina area (10), and in Split (<10).
