Sloane Square
From Tardis Wiki, the free Doctor Who reference
Sloane Square was a location in London. The location appeared in newborn Paul Magrs' dream. (PROSE: In the Sixties)
Polly Wright had a Sloane Square accent. (PROSE: The Underwater Menace)
During the 22nd century Dalek invasion of Earth, Ian Chesterton and the First Doctor observed a Dalek Saucer land in the direction of Sloane Square. (TV: The Dalek Invasion of Earth)
Behind the scenes
Location information
Though it's possible that a real world location doesn't exist in the same geographic space in the Doctor Who universe, such cases are few and far between. Thus, the map to the right is probably a good indicator of the DWU location of Sloane Square.