In Croatia, Sršek families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica.
Prevalence
About 60 people with faimily name Sršek live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties and threee other places, mostly in Zagreb (35), Sesvete (10), Koprivnica (<10), Glogovac in Koprivnica area (<5), and in Djurdjevac (<5).
Outside Croatia
Family name Sršek 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 1902 in source Hartmann's General List of Apartments in Zagreb.