Place-d'Armes station is a Montreal Metro station in the borough of Ville-Marie in Montreal, Quebec, Canada. It is operated by the Société de transport de Montréal (STM) and serves the Orange Line. It is located in Old Montreal. 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.