Oros Athos (Greek: Όρος Άθως, literally: Mount Athos) is a famous peninsula, also known as "Holy Mountain" or "Garden of the Virgins" that extends from the coast of Macedonia in Greece into the Aegean Sea, in the northeast of Greece, a little south of Thessaloniki. The Autonomous Monastic State of the Holy Mountain, which is home of 20 orthodox monasteries, is located on the peninsula, the capital is Karyaes (Kariaí). At the south end rises the 2033 metres high Mount Athos, the peninsula is named after the mountain. Women are not allowed on the peninsula, even female domesticated animals are forbidden, with the exception of chickens who provide fresh egg yoke necessary for the paint in iconography.
Athos is also the name of one of the title characters of Alexandre Dumas's novel The Three Musketeers.