Camden Town
From Tardis Wiki, the free Doctor Who reference
Camden was a London district. It was home to Camden Market, St. Pancras Station, inter alia.
Brigadier Lethbridge-Stewart's UNIT headquarters in 1970 was hidden within St. Pancras Station. It was there where he hired both Liz Shaw and the Third Doctor. (TV: Spearhead from Space)
In 2009, Clement McDonald was held in a police station in Camden after being arrest in the Hereford Arms. Gwen Cooper released him. (TV: Children of Earth: Day Three)
The Eighth Doctor visited Camden Market and went to The World's End, a local pub. There he was attacked by Cybermen. (COMIC: The Flood)