Place-d'Armes is a station on the Orange Line of the Montreal Metro rapid transit system, operated by the Société de transport de Montréal (STM). It is located in Old Montreal in the borough of Ville-Marie in Montreal, Quebec, Canada. The station opened on October 14, 1966, as part of the original network of the Metro. It was briefly the terminus of the Orange Line until Square-Victoria-OACI station opened four months later, quickly followed by Bonaventure station, the planned terminus.