
To us London is a hundred different places. It is never easy to know exactly what we mean when we use the word. Indeed, to the question ” What is London? ” there is no satisfactory answer, unless it be that it is the original little walled city that still exists. It contains St. Paul’s Cathedral, the Mansion House, the Guildhall, the Bank of England and London Bridge. Thousands of people work there in the day-time, but no one sleeps there at night but the Lord Mayor of London and a few hundred caretakers. Yet the physical boundaries of this ancient city are still visible. It is still possible to walk along the line of the Roman Wall that centuries ago limited the size of London to one square mile.

H. V. Morton (1892-1979), In Search of London
It’s not hard, and you could still do it. You know the route much better than I did. ☺️
‘Exact Boundary Streets
If you are walking around the edge of the City, the boundary weaves through central London:
West: Starting near the River Thames by the Victoria Embankment, it cuts up Chancery Lane, runs along Holborn, and travels east to Charterhouse Street.
North: It includes the Barbican and Golden Lane Estates, traveling eastward through Ropemaker Street, South Place, and Worship Street.
East: The boundary turns south at Norton Folgate and goes down Middlesex Street (Petticoat Lane) towards the Tower of London.
South: The boundary runs down the middle of the River Thames. Key river crossings like London Bridge and Blackfriars Bridge are entirely within the City’s jurisdiction, though some neighboring bridges are only half in the City’. This explains it, and has a useful map.
https://www.richardgower.com/blog/colondonboundary
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I like that quote, and in the past I have walked the boundary of The City.
Best wishes, Pete.
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That’s an interesting route,I wish I’d done that. Thanks for the comment b
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