In Croatia, Šourek families are predominantly Croats (from Daruvar ), rarely Czechs (also from Daruvar ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Daruvar.
Prevalence
About 30 people with faimily name Šourek live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number increased by 60 percent. They are located in only four naselja i to in Zagreb (15), Split (10), Daruvar (<10), and in Kuzminec Miljanski in Klanjec area (<5).