Avia (Greek: Αβία, Ancient Greek: ἡ Ἀβία) is a village and a former municipality in Messenia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality West Mani, of which it is a municipal unit. The municipal unit has an area of 179.828 km. The seat of the municipality was in Kampos. Avia is a popular tourist destination. It also has a large olive production. Avia is situated on the east coast of the Messenian Gulf, southeast of Kalamata, southwest of Sparta and northwest of Kardamyli.