 On the eastern side of the portico is a sacred space, the mosque, which is accessed through a portal inspired by caliph art and described below.At the eastern end of the entrance portico to the Golden Hall, there is a small mosque or private oratory for use by the monarch and his courtiers.It is accessed through a portal that ends in a horseshoe arch inspired by the Mosque of Córdoba but with S-shaped springers, a novelty that will imitate the Almoravid art and Nasrid art.