It is located in fare Zone A, in the Plaza de Isabel II, in the central district of Madrid.

[1][2][3] The station provides access to an area with tourist landmarks such as the Teatro Real opera house, the Plaza de Oriente and the Royal Palace.

The platforms of lines 2 and Ramal are located at the same level, the former is 60 m long and the latter being shorter in the beginning, but later it was extended in length to 60 m, too.

That year, the square was renamed "Fermín Galán", after one of the leaders of the failed uprising in 1930 that tried to overthrow King Alfonso XIII.

Ópera station has a museum with a floor space of 234 m2 where 16th- and 17th-century remains may be observed, such as the Caños del Peral Fountain, which delivered water to the Royal Palace via the Amaniel Aqueduct, as well as other water supply works discovered during the remodelling works, such as the Arenal Sewer.