El Prat de Llobregat or El Prat Estació is both a Rodalies de Catalunya and a Barcelona Metro station serving the suburb of El Prat de Llobregat, to the south-west of Barcelona, in Catalonia, Spain. It is on the conventional MadridâÂÂBarcelona railway and is served by all trains on Barcelona commuter rail service lines and , as well as some trains. Some trains on regional line also call at the station. The metro station is on the airport branch of Barcelona Metro line 9 (L9) and is operated by Transports Metropolitans de Barcelona (TMB).