Opéra (French: [ɔpeʁa] (listen)) is a station of the Paris Métro, named after the nearby Opéra Garnier, built by architect Charles Garnier. Located at the end of the Avenue de l'Opéra, one of the accesses being opposite the Opéra, it serves the district of Boulevard Haussmann. Three Métro lines (3, 7 and 8) cross each other at one point, known as a "well".