Diego de León is a station on Line 4, Line 5, and Line 6 of the Madrid Metro, located at the intersections of Francisco Silvela, Diego de León, and Conde de Peñalver streets in the Salamanca district of Madrid. It is in Zone A.
The station is named after Diego de León street, which in turn is named after the 19th-century Spanish military and political figure Diego de León.
Wikipedia https://en.wikipedia.org/wiki/Diego_de_León_(Madrid_Metro)
Address 96 Calle del Conde de Peñalver, Madrid 28006, Spain
Coordinates 40°26'3.491" N -3°40'29.487" E