In Croatia, Roščak families are Croats (from Samobor ). In the past century, relatively most of Croatian residents bearing this family name were born in Samobor and in Slovenia.
Prevalence
About 30 people with faimily name Roščak live in Croatia today, in 13 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in only threee naselja i to in Farkasevec Samoborski (20), Samobor (10), and in Hrastina Samoborska (<5).