Žižek families are Croats and they are mostly from Mursko Sredisce area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 160 people with faimily name Žižek live in Croatia today, in 70 households. There were 90 of them in the middle of the past century, and their number increased by 80 percent. They are located in the most of Croatian counties, in 15 cities and 27 other places, mostly in Zagreb (30), Cakovec (25), Sisak (10), Kristanovec (<10), and in Stanetinec in Mursko Sredisce area (<10).
Outside Croatia
Family name Žižek (including: Zizek , Zyzek ) is present in 6 countries on three continents. The family name "Zizek " is used by some 70 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.