Vancouver
From Tardis Wiki, the free Doctor Who reference
Vancouver was a Canadian city (PROSE: Torchwood: The Encyclopedia [+]Loading...["Torchwood: The Encyclopedia (reference book)"]) in which Colonel Mace of UNIT was stationed during the 456 incident in 2009. (TV: Children of Earth: Day One [+]Loading...["Children of Earth: Day One (TV story)"])
Behind the scenes
Located in western Canada, the city was used as a filming location for the Doctor Who TV movie.