Štemberger families are usually Croats and they are mostly from Opatija area , rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Banja Luka Region, Bosnia (Banja Luka area).
Prevalence
About 160 people with faimily name Štemberger live in Croatia today, in 70 households. There were 140 of them in the middle of the past century, and their number increased by 10 percent. They are located in 7 Croatian counties, in 10 cities and 19 other places, mostly in Rijeka (25), in Klana (25) and Veli Brgud (20) in Opatija area, Zagreb (15), and in Mali Brgud in Opatija area (15).
Outside Croatia
At least five families with this surname emigrated from Croatia to: Australia (2), the United States (1), Argentina (1), and to Germany (1). Family name Štemberger is present in 18 countries worldwide. The family name "Stemberger " is used by some 300 people in Austria , about 300 in the United States , and some 200 people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.
