In Croatia, Dudas families are generally Croats (from Duga Resa area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Duga Resa area and in Karlovac.
Prevalence
About 20 people with faimily name Dudas live in Croatia today, in 9 households. There were 40 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, threee cities and threee other places, mostly in Dubravcani (15) and Skupica (<5) in Duga Resa area, Petrakovo Brdo (<5), Zagreb (<5), and in Porec (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.