The royal sites (Spanish: sitios reales) are a set of palaces, monasteries, and convents built for and under the patronage of the Spanish monarchy. They are administered by Patrimonio Nacional (National Heritage), a Spanish state agency; most are open to the public, at least in part, except when they are needed for state or official events.
Here is a list of the Patrimonio Nacional royal sites, with the provinces where they are located.
These current or historical royal residences are well known but are not administered by Patrimonio Nacional: