In Croatia, Šturm families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Petrinja area.
Prevalence
About 50 people with faimily name Šturm live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 12 cities and 5 other places, mostly in Zagreb (10), Dugo Selo (<10), Varazdin (<10), Djakovo (<10), and in Kastav (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.