Božak families are Croats and they are mostly from Lepoglava. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava and Varazdin.
Prevalence
About 90 people with faimily name Božak live in Croatia today, in 50 households. There were 140 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 10 Croatian counties, in 13 cities and 11 other places, mostly in Lepoglava (30), Zagreb (20), Bartolovec in Varazdin area (<10), Jastrebarsko (<10), and in Trnovec in Varazdin area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1683 in source Catholic Church Parish Records.