In Croatia, Zak families are Croats (from Cakovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec.
Prevalence
Only a few people with faimily name Zak live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Mihovljan (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.