Panagia Ekatontapiliani is a historic Byzantine church located on the island of Paros in Greece. Its name translates to "Our Lady of the Hundred Doors," referring to the numerous doors that were believed to exist in the church. Built in the 4th century, it is one of the oldest and most significant Christian monuments in the country. The church features beautiful frescoes and intricate architecture, showcasing the artistic style of its time. It has been a pilgrimage site for centuries, attracting visitors who come to admire its beauty and learn about its rich history. The site also includes a small museum displaying religious artifacts.