High Quality Content by WIKIPEDIA articles! Santiago de Compostela Cathedral (Galician: Catedral de Santiago de Compostela) is a Roman Catholic cathedral of the archdiocese of Santiago de Compostela in Galicia, Spain. The cathedral is the reputed burial-place of Saint James the Greater, one of the apostles of Jesus Christ. It is the destination of the Way of St. James, a major historical pilgrimage route since the Middle Ages.