La Sagrera and La Sagrera-Meridiana are a group of Barcelona Metro stations and a Rodalies de Catalunya station, respectively, together forming an underground interchange complex in the Barcelona neighborhood of La Sagrera in Catalonia, Spain. It is located under Avinguda Meridiana, and is currently one of the city's busiest and most important stations. The Barcelona Metro stations are served by TMB-operated lines L1, L5, L9 and L10, each one having its own dedicated station, excepting for lines L9 and L10, which share the same station.