The Plaza de España is a centrepiece of  the Parque de María Luisa.  It was built in 1928 for the Ibero-American Exposition of 1929.  Its Wikipedia page describes it as, ",,, a landmark example of the Regionalism Architecture, mixing elements of the Renaissance Revival and Moorish Revival. ....



.....The Plaza de España complex is a huge half-circle with buildings continually running around the edge accessible over the moat by numerous bridges representing the four ancient kingdoms of Spain. ....



.... In the centre is the Vicente Traver fountain. By the walls of the Plaza are many tiled alcoves, each representing a different province of Spain."  Today the building is home to a number of government departments.