Buckinghamshire

Buckinghamshire was an English county. The Doctor and Charley Pollard went there in 1806. (Seasons of Fear)

Behind the Scenes

 * Actress Deborah Watling (Victoria Waterfield) was born in Buckinghamshire.
 * Halings House in Denham Green, Buckinghamshire, served as the exterior of UNIT HQ in (DW: The Three Doctors).