Štorga families are Croats and they are mostly from Novi Marof area (Presecno). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Novi Marof.
Prevalence
About 130 people with faimily name Štorga live in Croatia today, in 60 households. There were 90 of them in the middle of the past century, and their number increased by 50 percent. They are located in 7 Croatian counties, in 11 cities and 12 other places, mostly in Presecno (35), Zagreb (35), Novi Marof (15), Varazdin (10), and in Nustar in Vinkovci area (<10).
Outside Croatia
Family name Štorga is present in this form only in Croatia.
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.