Canada Square of Toronto. The complex and the square is served by Canary Wharf Underground station on the Jubilee line and Canary Wharf DLR station on the Docklands Light Railway. Canada Square Canada Square is a public square at Canary Wharf, on the Isle of Dogs in London's Docklands. It is in the London Borough of Tower Hamlets in the East End of Central London along the River Thames. Canada Square is surrounded by three of the tallest buildings in the United Kingdom, including One Canada Square, which was the tallest building in the United Kingdom from 1990 until late 2010, when
Citigroup Centre, London Citigroup Centre, London The Citigroup Centre is a building complex in London. It houses Citigroup's EMEA headquarters and is located in Canary Wharf in the city's Docklands. The centre provides of floor space across two merged buildings - 33 Canada Square (known as "CGC1") and 25 Canada Square (known as "CGC2"), and houses the bulk of Citi's UK employee base. Together, both buildings form the Citigroup Centre complex. 25 Canada Square, or Citigroup Centre 2, stands at and, alongside HSBC Tower (with which it was built in tandem), is the joint 4th-tallest building in the United Kingdom (behind The Shard,