The Basilica of Our Lady of the Pillar is a Roman Catholic church in the city of Zaragoza. It is one of the most famous monuments in the city. It is famous for being the first church dedicated to the Virgin Mary in history. It dates back to the dawn of Christianity in Spain and is attributed to the appearance of Saint James the Great, who according to tradition is the first to He brought the Christian religion to the country, and therefore it is an important and very interesting religious and architectural landmark, as tourists flock to it from different regions.