The Cantigas de Santa Maria is a collection of over 400 songs dedicated to the Virgin Mary, compiled in the 13th century during the reign of King Alfonso X of Castile. These songs are written in the Galician-Portuguese language and reflect the religious devotion of the time, celebrating miracles attributed to Mary. The collection is notable for its rich illustrations and musical notation, providing insight into medieval culture and music. The Cantigas serve as an important historical document, showcasing the artistic and spiritual life of the Christian community in Iberia during the Middle Ages.