The Pena National Palace is a Romanticist palace in São Pedro de Penaferrim, municipality of Sintra, Portugal. The palace stands on the top of a hill above the town of Sintra, and on a clear day it can be easily seen from Lisbon and much of its metropolitan area. It is a national monument and constitutes one of the major expressions of 19th century Romanticism in the world. The palace is a UNESCO World Heritage Site and one of the Seven Wonders of Portugal. It is also used for state occasions by the President of the Portuguese Republic and other government officials.
The interiors of the Pena Palace were adapted to serve as the Summer residence of the royal family. It has amazing stuccos, painted walls in trompe-l'oeil and various revetments in tile from the 19th century, forming part of the numerous royal collections.