Hotel Catalonia Puerta del Sol is a sustainable hotel located in the heart of Barrio de las Letras. This eco-friendly hotel is committed to reducing its environmental impact through various initiatives. It has implemented energy-saving measures, such as motion sensor lighting and energy-efficient appliances. The hotel also promotes responsible tourism by offering guests the option to reuse towels and reduce water consumption. Hotel Catalonia Puerta del Sol supports local communities by sourcing products from nearby businesses. With its sustainable practices and central location, Hotel Catalonia Puerta del Sol is a great choice for eco-conscious travelers visiting Barrio de las Letras.