The Consejo de Administración del Patrimonio Nacional (Board of Directors of the National Heritage, or National Heritage) is a Spanish state agency, under the jurisdiction of the Minister of the Presidency (the support ministry of the Prime Minister's Office or Presidency of the Government) by delegation of the Prime Minister of Spain, that administers the sites owned by the Spanish State and used by the King of Spain and the Spanish Royal Family as residences and for State Ceremonies. The Patrimonio Nacional includes palaces, gardens, monasteries and convents, called the Royal sites. When not in official use, the Royal sites are open to the public.
During the reign of Alfonso XIII, it was known as Patrimonio Real (Royal Heritage).
Patrimonio Nacional organizes temporary exhibitions and concerts in the Royal sites. It also publishes catalogues of the Royal Collections, books on the Royal sites, facsimiles of some of the books held in the library of El Escorial and the Royal Library, visitors guides to the different sites as well as the official photographs of the King of Spain. It also publishes a quarterly magazine, Reales Sitios, about the art collections and cultural history of the Royal sites.
The Board 
The Board of Directors, according to Act 23/1982 is composed by a Chairman and a Manager appointed by the King, with the advice of the Prime Minister; and ten members of renown reputation, including two City Councilors of towns where properties of Patrimonio Nacional are located (currently the cities of Madrid and Palma). The current Board is composed by:
Chairman: Nicolás Martínez-Fresno y Pavía
Manager: Pablo Larrea Villacián
María Ángeles Albert de León, Carlos Carderera Soler, María de las Mercedes Díez Sánchez, Mateo Isern Estela, Cristina Latorre Sancho, Soledad López Fernández, Luis Reverter Gelabert, José Manuel Romero Moreno, Alberto Ruíz-Gallardón Jiménez, and José Luis Vázquez Fernández.