Charing Cross (sometimes informally abbreviated as Charing X) is a London Underground station at Charing Cross in the City of Westminster. The station is served by the Bakerloo and Northern lines and provides an interchange with Charing Cross mainline station. It has entrances in Trafalgar Square, Strand and in the mainline station. On the Bakerloo line it is between Embankment and Piccadilly Circus stations and on the Northern line it is between Embankment and Leicester Square stations. The station was served by the Jubilee line between 1979 and 1999, acting as the southern terminus of the line during that period. The station is in fare zone 1