Hrebak families are Croats and they are mostly from Novi Marof. In the past century, relatively most of Croatian residents bearing this family name were born in Novi Marof and Varazdin.
Prevalence
About 130 people with faimily name Hrebak live in Croatia today, in 50 households. There were 100 of them in the middle of the past century, and their number increased by 40 percent. They are located in 8 Croatian counties, in 12 cities and 18 other places, mostly in Varazdin (10), Delovi in Djurdjevac area (10), Gudovac (10), Zagreb (10), and in Podrute (<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.