Casita del Príncipe (El Escorial)
The Casita del Príncipe (Spanish for 'Cottage of the Prince') is an eighteenth-century building located in San Lorenzo de El Escorial, Spain. It was designed by the neoclassical architect Juan de Villanueva for the private use of the heir to the Spanish throne Charles, Prince of Asturias, and his wife Maria Luisa.
Source: Wikipedia — Casita del Príncipe (El Escorial) (CC BY-SA 4.0)