Rosandić families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Split.
Prevalence
About 740 people with faimily name Rosandić live in Croatia today, in 330 households. There were 670 of them in the middle of the past century, and their number increased by 10 percent. They are located in almost all Croatian counties, in 31 cities and 69 other places, mostly in Zagreb (140), Slavonski Brod (100), Split (80), Brodski Stupnik in Pleternica area (40), and in Grab in Sinj area (35).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.