In Croatia, Križak families are generally Croats (from Zupanja area ), very rarely Hungarians (from Banat, Vojvodina ), and barely Bosniaks (from the Island of Losinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and in Zupanja area.
Prevalence
About 70 people with faimily name Križak live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 40 percent. They are located in 8 Croatian counties, in 8 cities and 9 other places, mostly in Cerna in Zupanja area (25), Veli Losinj on the Island of Losinj (<10), Zagreb (<10), Vinkovci (<10), and in Kutina (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1933 in source Emigration Commission Zagreb.