In Croatia, Rostoher families are Croats (from Garesnica ). In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica.
Prevalence
About 10 people with faimily name Rostoher live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only threee naselja i to in Kapelica (<10), Garesnica (<5), and in Disnik (<5).