Kuduz families are Croats and they are mostly from Vrlika. In the past century, relatively most of Croatian residents bearing this family name were born in Vrlika and Zagreb.
Prevalence
About 180 people with faimily name Kuduz live in Croatia today, in 70 households. There were 90 of them in the middle of the past century, and their number doubled. They are located in 8 Croatian counties, in 15 cities and 14 other places, mostly in Zagreb (30), Split (25), Cerna in Zupanja area (25), Solin (20), and in Osijek (15).
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.