(Greek: Μετέωρα, lit. "suspended in the air")
is one of the largest and most important complexes of Greek Orthodox monasteries in Greece, second only to Mount Athos.
The six monasteries are built on natural sandstone rock pillars, at the northwestern edge of the Plain of Thessaly near the Pineios river and Pindus Mountains, in central Greece.
The nearest town is Kalambaka.
The Metéora is included on the UNESCO World Heritage List
(Greek: Επέτειος του «'Οχι», Anniversary of the "No")
is celebrated throughout Greece, Cyprus and the Greek communities around the world on October 28 each year.
Ohi Day commemorates the rejection by Greek dictator Ioannis Metaxas of the ultimatum made by Italian dictator Benito Mussolini on October 28, 1940, the Hellenic counterattack against the invading Italian forces at the mountains of Pindus during the Greco-Italian War, and the Greek Resistance during the Axis occupation.