Dubroja families are predominantly Serbs and they are mostly from Benkovac , less frequently Croats (from Zadar). In the past century, relatively most of Croatian residents bearing this family name were born in Benkovac and Zadar. In Donji Karin in Benkovac every fourth inhabitant had the family name Dubroja.
Prevalence
About 130 people with faimily name Dubroja live in Croatia today, in 60 households. There were 160 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 10 Croatian counties, in 10 cities and 12 other places, mostly in Donji Karin (50), Zadar (10), Pula (10), Zagreb (<10), and in Polaca in Benkovac area (<10).
Outside Croatia
Family name Dubroja is present in 8 countries on three continents. The family name "Dubroja " is used by small number of people in the United States , small number in the Netherlands , and small number of people in Canada. "Dubraja " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1926 in source Emigration Commission Zagreb.
