In Croatia, Plak families are Croats (from Novi Marof area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and Krizevci.
Prevalence
About 10 people with faimily name Plak live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Deklesanec in Novi Marof area (10) and Krizevci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.