The Athos Monasteries, located on the Mount Athos peninsula in Greece, are a unique collection of 20 Eastern Orthodox monasteries. This autonomous monastic state is home to around 2,000 monks and is known for its rich spiritual heritage and stunning architecture. The monasteries date back to the 9th century and are recognized as a UNESCO World Heritage site. Access to Mount Athos is restricted, with only male pilgrims allowed to visit. The region is governed by a monastic council, and visitors must obtain a special permit. The Athos Monasteries are renowned for their religious significance, beautiful frescoes, and extensive libraries.