In Croatia, Dula families are predominantly Croats (from Vukovar area ), rarely Serbs, and very rarely Romanians (from Vukovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Vukovar area.
Prevalence
About 10 people with faimily name Dula live in Croatia today, in three households only. They are located in only threee Croatian places: in Brsadin in Vukovar area (10), Vukovar (<5), and in Cavtat in Dubrovnik area (<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.