In Croatia, Steinner families are British (from Backa, Vojvodina ). In the past century, relatively most of residents bearing this family name were born in Backa, Vojvodina.
Prevalence
Only a few people with faimily name Steinner live in Croatia today, in one household only. They are located in one Croatian city only, in Osijek (<5).
Outside Croatia
Family name Steinner is present in three countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.