The Church of a Hundred Doors is an ancient Byzantine church located on the island of Paros in Greece. It is renowned for its unique architecture, featuring numerous doors and windows, which give it its name. The church is dedicated to the Virgin Mary and is an important pilgrimage site for Orthodox Christians. Built in the 4th century, the church showcases a blend of Roman and Byzantine styles. Its interior is adorned with beautiful frescoes and icons, reflecting the rich religious heritage of the region. The church is also part of a larger complex that includes a monastery and other historical structures.