In England, the home counties surrounded London.
UNIT troops take position as Ogron forces lead a Dalek assault on the Home Counties. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)
In the late 20th century, the Autons were responsible for a wave of sudden deaths all over the home counties. (TV: Terror of the Autons) UNIT opposed a Dalek and Ogron assault on the Home Counties. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)
During John Hart's reign as King of the British Empire in an alternate timeline, most of the home counties were "lost" after he ordered the opening of the Void Ship, which contained a quartet of Daleks, within Torchwood Tower. (AUDIO: The Death of Captain Jack)