Matejak families are Croats and they are mostly 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 Varazdin. In Čanjevo in Novi Marof area every eighth inhabitant had the family name Matejak.
Prevalence
About 150 people with faimily name Matejak live in Croatia today, in 60 households. There were 160 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 13 cities and 25 other places, mostly in Canjevo in Novi Marof area (20), Paka (15), Garesnica (10), Zagreb (10), and in Varazdin (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.