Rosanda families are Croats and they are mostly from Premantura near Pula. According to some sources they are from Zadar area. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Zagreb.
Prevalence
About 80 people with faimily name Rosanda live in Croatia today, in 40 households. There were 170 of them in the middle of the past century, and their number halved. They are located in two Croatian counties, threee cities and 7 other places, mostly in Pula (60), Vinkuran in Pula area (10), Rijeka (<10), Porec (<5), and in Medulin in Pula area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.