In Croatia, Doljac families are Croats (from Ozalj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj. In Brezje Vivodinsko in Ozalj every eighth inhabitant had the family name Doljac.
Prevalence
Only a few people with faimily name Doljac live in Croatia today, in one household only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Cernik in Ozalj area (<5).
Outside Croatia
Family name Doljac is present in five countries on two continents. The family name "Doljac " is used by small number of people in France , small number in the United States , and small number of people in Canada.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.