In Croatia, Rujevčić families are generally Croats (from Sisak ), very rarely Czechs (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak.
Prevalence
About 20 people with faimily name Rujevčić live in Croatia today, in five households only. There were 40 of them in the middle of the past century, and their number halved. They are located in only five naselja i to in Vurot (<10), Zagreb (<10), Varazdin (<5), Sisak (<5), and in Brest Pokupski (<5).
Outside Croatia
Family name Rujevčić is present in this form only in Croatia.