In Croatia, Dobaj families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Dobaj live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Osijek (<5) and Vinkovci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.