Sants Estació is a station in the Barcelona Metro network in the Sants-Montjuïc district of Barcelona. It serves the Barcelona Sants railway station, Barcelona's principal main line railway station, and is named Sants Estació to distinguish it from the nearby Plaça de Sants station also named after the Sants neighbourhood. It is served by line L3 and line L5. The line L3 section of the station is situated under Numància street, between Melcior Palau and Avinguda Josep Tarradellas.