Cromer

Cromer was a place to which the Brigadier believed UNIT headquarters had once been transported. (TV: The Three Doctors) It was located in Norfolk. (AUDIO: The Stuff of Nightmares)

When the Timewyrm sent Ace into the Seventh Doctor's mind, the landscape at first resembled a pier in Cromer. (PROSE: Timewyrm: Revelation)

Cromer was Mrs Wibbsey's home town. She met the Fourth Doctor there in 1932, where she was controlled by the Hornets. The Doctor took her to Nest Cottage in the 21st century to keep her safe. (AUDIO: The Dead Shoes)

Cromer was the codename of a file Kate Stewart requested from her father, The Brigadier's, tenure when she realized the Tenth Doctor and the Eleventh Doctor were interacting through a time tunnel. (TV: The Day of the Doctor (TV story))