Buenos Aires is a station on Line 1 of the Madrid Metro. It is located in fare Zone A.
Wikipedia https://en.wikipedia.org/wiki/Buenos_Aires_(Madrid_Metro)
Official Website https://www.metromadrid.es/es/linea/linea-1#estacion-122
Address 42 Calle de Pío Felipe, Madrid 28038, Spain
Coordinates 40°23'29.845" N -3°39'13.954" E