London is the capital of the United Kingdom. It appears in Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II, Call of Duty: Advanced Warfare, Call of Duty: WWII, Call of Duty: Modern Warfare, and Call of Duty: Modern Warfare III.
Call of Duty: Modern Warfare 3
Attacked by the Ultranationalists led by Vladimir Makarov, London is a target of the gas attacks. Bravo 9 and its men try to stop the lorries from delivering the cargo. The multiplayer map Underground is set in London.
Call of Duty: Black Ops II
The Uprising DLC multiplayer map Encore is set in central London after a large music festival. Big Ben and the London Eye are featured in the background.
Call of Duty: Advanced Warfare
The Supremacy DLC multiplayer map Parliament is set on a ship docked beside the Palace of Westminster in London.
Call of Duty: WWII
Campaign
London is seen being bombed by German heavy bombers during the Battle of Britain in the Prologue cutscene of the campaign.
Multiplayer
The multiplayer map London Docks is set in London by Tower Bridge.
Call of Duty: Modern Warfare
Campaign
The mission Piccadilly takes place at Piccadilly Circus (an area in London), as does Clean House in Camden Town, another area of the city.
Multiplayer
The map Piccadilly also takes place at Piccadilly Circus within London.
The maps Hackney Yard, Cheshire Park, Hardhat, Docks and Shipment take place within London.
Call of Duty: Modern Warfare III
Campaign
The final mission, Trojan Horse takes place in Greensbury Park, London.
Multiplayer
The multiplayer map Grime, takes place in London.