Ereš families are Croats and they are mostly from Herzegovina. In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Ljubuski area) and in Slavonski Brod.
Prevalence
About 440 people with faimily name Ereš live in Croatia today, in 170 households. They are located in the most of Croatian counties, in 32 cities and 59 other places, mostly in Zagreb (75), Slavonski Brod (40), Metkovic (30), Ruscica in Slavonski Brod area (30), and in Vinkovci (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1927 in source Emigration Commission Zagreb.