The Cathedral of St. Mary, Queen of the Holy Rosary (Sinhala: Galla Santha Mariya Asana Dewu Mædura), is the cathedral church of the Roman Catholic Diocese of Galle. It is a landmark in the city of Galle, Sri Lanka. The cathedral was built by the Society of Jesus at the end of the 19th century. The first bishop was the Belgian Jesuit Joseph Van Reeth. St. Mary’s Cathedral, Galle.