Royal Palace
Palacio Real
Puerta del Principe
Madrid Spain
2008

The Royal Palace of Madrid is the official residence of the Spanish royal family at the city of Madrid, although now used only for state ceremonies. The palace has 135,000 m² of floor space and contains 3,418 rooms. It is the largest royal palace in Europe.

https://www.patrimonionacional.es/en/visita/royal-palace-madrid

The Royal Palace of Madrid is the largest in Western Europe and one of the largest in the world. With over 135,000 square metres and 3,418 rooms, it has witnessed centuries of Spanish history. It is one of the few official seat of a Head of State that is open to the public. Almost 2 million visitors come every year to discover its rooms, works of art and treasures that are unique in the world.