Now known as La Colegiata de Santa Juliana its origin comes from the expansion of the old monastery of the same name in the mid-twelfth century. It was built by a group of monks to contribute to the repopulation of the area and create a small chapel in which to expose the relics of the martyred Juliana, which they brought with them. At that time the village took its name from the monastery: "Sancta Luliana, which declined in the current Santillana.The cloister is located on the north side of the ensemble and their heads are the main decorative elements used in the period, floral, geometric and figurative. Predominate double arches on columns, but there are also four column pillars, functioning as topic separators. Among the subjects (topics) depicted are scenes from the Old and New Testaments.