Located at the end of the Avenue de l'Opéra, it serves the district of Boulevard Haussmann.

The three lines cross on the levels at the same point, using a common underground structure located under the square.

[1]: 154  This work was affected by groundwater, which required the support of three concrete pillars, made by sinking caissons with workers digging out the mud with compressed air.

[3] This decoration, derived from the Mouton-Duvernet style, from which it notably adopted the characteristic lighting canopies, was sometimes nicknamed the "swimming pool".

The entire layout was removed in 2007 when the station was renovated as part of the RATP Renouveau du métro programme.

The ceiling consists of a metal roof, whose beams, burgundy in colour, are supported by vertical pillars.

The decoration is in the Andreu-Motte style with two burgundy light canopies, benches, tunnel exits and walls fitted with large white flat tiles in a stretched sandstone and purple Motte seats.

Advertisements are devoid of frames and the name of the station is written in Parisine font on enamelled plates.

The advertising frames are in white ceramic and the name of the station is written in Parisine font on enamelled plates.