Charing Cross Railway station.

From Wikipedia:

Charing Cross /ˌtʃærɪŋ ˈkrɒs/ denotes the junction of Strand, Whitehall and Cockspur Street, just south of Trafalgar Square in central London. It gives its name to several landmarks, including Charing Cross railway station, one of the main London rail terminals.

Charing Cross is named after the Eleanor cross that stood on the site, in what was once the hamlet of Charing. The site of the cross has been occupied since 1675 by an equestrian statue of King Charles I. A loose Victorian replica of the medieval cross, the Queen Eleanor Memorial Cross, was erected a short distance to the east outside the railway station.

Since the second half of the 18th century, Charing Cross has been seen by some as the exact "centre of London"

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