The Hostal Gonzalo inn is located in the middle of the historical center of Madrid. The Prado Museum, the Thyssen-Bornemisza Art Collection, and the Parliament (Las Cortes) are only one block away. The Reina Sofía Modern Art Museum is easily reached by foot.
Hostal Gonzalo is reviewed in Dumont, Let's Go, Lonely Planet, Rick Steves', and the Rough Guide