Quatro Puerta del Sol Hotel vs ?

"The comfortable midsize bedrooms are furnished in a cool contemporary style, with plush maroon chairs and white walls; all have en suite bathrooms with tub and shower." Full review

"The rooms in this modern, design-oriented boutique hotel between Santa Ana and Sol have views of the city center and are equipped with cutting-edge technology." Full review

"Quo is one of Madrid’s boutique hotels of longer standing and it’s still deservedly popular." Full review

"Designed by one of Madrid’s top designers, Tomás Alía, the Quo is not only central and reasonably priced but also very stylish."

"Designed by Tomás Alía, one of the most famous interior designers in Spain, this is a place where the design is what the hotel is all about."