The best places to see in Madrid: Alcalá De Henares, Madrid.
The autonomous region has a capital with the same name. The city is the most visited city of Spain and it has preserved its many historic quarters. Landmarks include the Royal Palace, the Royal Theatre with its 1850 Opera House, the Buen Retiro Park, (founded in 1631, and the National Library (founded in 1712).
Ensure to save enough time to visit the Golden Triangle of Art: Prado Museum, the Reina Sofía Museum, and the Thyssen-Bornemisza Museum. The Cibeles Palace and Fountain have become one of the monumental symbols of the bustling city. This is the most visited city of Spain for good reason.