In Croatia, Tlak families are Croats (from Novi Marof area ). In the past century, relatively most of Croatian residents bearing this family name were born in Novi Marof area and in Novi Marof area.
Prevalence
About 10 people with faimily name Tlak live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Podvorec in Novi Marof area (<5), Zagreb (<5), and in Breznicki Hum (<5), Breznica (<5) and Radesic (<5) in Novi Marof area.