Avas or Avantas (Greek, modern: Άβαντας, katharevousa: Άβας, Bulgarian: Дервент, Turkish: Dervent) is a village in the southern part of the Evros regional unit, Greece.

Avantas is located 10 km north of Alexandroupoli.

According to professor Lyubomir Miletich, the 1912 population contained 320 Bulgarian families.

[2] Refugees from east of the Evros river and from Asia Minor arrived into the village.

Its name was changed from the Turkish Dervent to the current Avas.