Hotel Emperador is a luxurious hotel that offers reservations without a credit card. Located in the heart of Madrid, the hotel is within walking distance of Madrid Royal Palace. The rooms are elegantly decorated and feature modern amenities for a comfortable stay. Guests can enjoy stunning views of the city from the rooftop terrace, which also features a swimming pool. The hotel also has a restaurant and bar, serving delicious meals and drinks. With its central location and credit card-free reservation option, Hotel Emperador is a top choice for visitors to Madrid Royal Palace.