Booking rooms in High Tech President Castellana (Horse21) hotel requires a credit card. All card data are encrypted before transmission, which ensures the privacy of the entered information. A few seconds after the reservation is completed you will get at your e-mail a booking confirmation which guarantees your accommodation. The confirmation includes a booking number and an access code that give you the possibility to review your reservation or cancel it following the Check/ Cancel reservation link.
High Tech President Castellana (Horse21) makes part of the Horse21 hotel chain. You can see all Horse21 hotels in Madrid on the following page: Horse21 hotels in Madrid.