In Croatia, Stefan families are mainly Italians (from Rijeka ), less frequently Croats (from Kastav ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Opatija.
Prevalence
About 20 people with faimily name Stefan live in Croatia today, in 11 households. There were 220 of them in the middle of the past century, and their number decreased significantly. They are located in five Croatian cities only: in Rijeka (20), Kastav (<5), Sesvete (<5), Djakovo (<5), and in Petrinja (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.