Avia 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 km2. In 2011 its population was 281 for the village, 611 for the community and 2,246 for the municipal unit. 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.