Mount Athos is also known as Agion Oros which means Holy Mountain and is the most famous complex of monasteries in Greece. Athos has 20 Eastern Orthodox monasteries.
Every day many people arrive at Mount Athos to visit these unique monasteries. Due to the the high demand, the number of daily visitors is restricted. In addition, visitors must be males, and either monks or workers. The monasteries hosts a huge collection of art treasures, including icons, liturgical vestments and objects (crosses, chalices), codices and other Christian texts, imperial chrysobulls, holy relics and more. Among the most ancient and priceless treasures are the Codex Athous Lavrensis and the Codex Athous Dionysiou.