In Croatia, Bicak families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica area and in Varazdin.
Prevalence
About 20 people with faimily name Bicak live in Croatia today, in 7 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Koledinec in Koprivnica area (<10), Zagreb (<5), Sesvete (<5), Koprivnica (<5), and in Split (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.