East Sussex
From Tardis Wiki, the free Doctor Who reference
East Sussex was a county of England. The Fourth Doctor, attempting to reach Brighton, instead landed at Fang Rock. (DW: Horror of Fang Rock)
Gatwick Airport was the base of Chameleon Tours, a front company for an alien kidnapping attempt. (DW: The Faceless Ones)
Sarah Jane Smith went to the Glorious Goodwood race in Sussex, only to encounter Daleks, which she stopped with the help of the U.S. Cavalry. (AG: Glorious Goodwood)