The modern High Tech Avenida Callao is located in Madrid, Spain, within 200 metres of the Puerta del Sol and 600 metres from the Royal Palace. The nearest metro stations are Gran Via and Santo Domingo. Originally built in the 1930s, High Tech Avenida Callao is a five storey red brick hotel with large windows on the ground floor. Glass doors lead into the lobby, with marble floors and black and white decor.

Airport transportation can be arranged (surcharge).High Tech Avenida Callao does not have its own restaurant but offers guests a buffet breakfast (surcharge) in its black and red breakfast room.The hotel has meeting rooms for smalls groups and a business centre with complimentary high speed Internet access. Staff are available 24 hours a day to offer sightseeing ideas and answer other queries.

The 40 air conditioned guestrooms at the High Tech Avenida Callao hotel have white walls, ebony and red furniture and dark parquet flooring. All rooms have satellite television, complimentary dial up and high speed Internet connections, minibars, safes and complimentary newspapers.