Šoprek families are Croats and they are mostly from Krapina area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Krapina area.
Prevalence
About 150 people with faimily name Šoprek live in Croatia today, in 70 households. There were 90 of them in the middle of the past century, and their number increased by 60 percent. They are located in 9 Croatian counties, in 13 cities and 14 other places, mostly in Zagreb (75), Mihovljan in Krapina area (20), Velika Gorica (<10), Mali Komor in Zlatar area (<10), and in Samobor (<10).
Outside Croatia
Family name Šoprek is present in two countries on two continents. The family name "Soprek " is used by small number of people in the United States.
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.