The Church of Ekatontapiliani, located on the island of Paros in Greece, is one of the most significant early Christian churches in the country. Built in the 4th century, it is dedicated to the Virgin Mary and is known for its impressive architecture, featuring a large central nave and numerous chapels. The church is also referred to as the Church of a Hundred Doors, a name derived from its many entrances. It has been a pilgrimage site for centuries and is an important example of Byzantine architecture, showcasing the rich religious history of the region.