Retiro is a pass-through station on the Red Line / Line 2 of the Madrid Metro and is located between the Principe de Vergara and Banco de España stations. It is underground. I did not notice access for handicapped or lifts, just stairs.
The station is located near the Retiro District and is right in front of the Buen Retiro Park. According to the web site, the station was inaugurated in 1924.
The station is in the "A" rate zone. read more