In Croatia, Duma families are generally Croats (from Bosnian Krajina ), very rarely Ukrainians (from Slavonski Brod ). In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod area and in Nova Gradiska.
Prevalence
About 20 people with faimily name Duma live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Zagreb (<10), Vinkovci (<10), Grabarje in Slavonski Brod area (<5), Sesvete (<5), and in Nova Kapela in Pozega area (<5).
