Combaj families are Croats and they are mostly from Zagreb. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Dugo Selo.
Prevalence
About 130 people with faimily name Combaj live in Croatia today, in 50 households. There were 150 of them in the middle of the past century, and their number decreased by 10 percent. They are located in threee Croatian counties, four cities and 8 other places, mostly in Kasina (85), Blagusa (25), Sesvete (20), Zagreb (<10), and in Vurnovec (<5).
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.