Spain is a country on the Iberian Peninsula in Europe, comprising 17 autonomous regions of great geographical and cultural diversity. The capital, Madrid, is home to the Royal Palace and the Prado Museum, which houses works by European masters. Segovia boasts a medieval castle (the Alcázar) and an intact Roman aqueduct. The Catalan capital, Barcelona, ​​is famous for the whimsical architecture of Antoni Gaudí, such as the Sagrada Familia. — Google