Claim: Greenwich is in Europe.

Canary Wharf is a major business district in east London , within the London Borough of Tower Hamlets . It is one of the United Kingdom 's two main financial centres -- along with the traditional City of London -- and contains many of Europe 's tallest buildings , including the second-tallest in the UK , One Canada Square .   Canary Wharf contains around 16000000 sqft of office and retail space , of which around 7900000 sqft -LRB- about 49 % -RRB- is owned by Canary Wharf Group . Around 105,000 people work in Canary Wharf , and it is home to the world or European headquarters of numerous major banks , professional services firms , and media organisations , including Barclays , Citigroup , Clifford Chance , Credit Suisse , EY , Fitch Ratings , HSBC , Infosys , J.P. Morgan , KPMG , MetLife , Moody 's , Morgan Stanley , RBC , S&P Global , Skadden , State Street , and Thomson Reuters .