In Croatia, Bizek families are Croats (from Lepoglava ). In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava and Zagreb.
Prevalence
About 50 people with faimily name Bizek live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 6 cities and threee other places, mostly in Lepoglava (25), Zagreb (15), Zapresic (<5), Stari Glog in Vrbovec area (<5), and in Koprivnica (<5).
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.