Earlier quoted context omitted.
It's Charing Cross: https://en.wikipedia.org/wiki/Charing_Cross#:~:text=Since%20... .
There's also the confusion as to whether people mean 'Greater London' or 'The City of London'. For the centre of the City, i've generally thought that Leadenhall Market is the centre, given it is built on the original Roman Forum. For non-Londoners, the city was originally a walled city, and lies to the east end of what is now considered greater london. It's these days synonymous with the financial industry. There ar…
https://www.quora.com/Does-the-City-of-London-as-it-is-defin...