Atheras
Atheras ( Αθέρας ) means:
- Atheras (Ikaria) , a mountain range on the Greek island of Ikaria, in ancient times the Pramnos Mountains
- Atheras (Kefalonia) , part of the municipality of the city of Lixouri on the Greek island of Kefalonia
- Porto Atheras , north of Atheras on Kefalonia beach, where the Norman king Robert Guiskard died of a fever in 1085