Križek families are Croats and they are mostly from Ivanec. According to some sources they are Czech origin. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec and Zagreb.
Prevalence
About 70 people with faimily name Križek live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 8 cities and 10 other places, mostly in Vuglovec (20), Zagreb (10), Osijek (<10), Slatina (<10), and in Cacinci in Orahovica area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.