Antoljak families are Croats and they are mostly from Djurdjevac area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Djurdjevac area.
Prevalence
About 140 people with faimily name Antoljak live in Croatia today, in 50 households. There were 170 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 13 cities and 13 other places, mostly in Zagreb (55), in Pitomaca (15), Virje (<10) and Sedlarica (<10) in Djurdjevac area, and in Virovitica (<10).
Outside Croatia
Family name Antoljak (including: Antolyak , Antoliak ) is present in 8 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.