Kingsman: The Golden Circle Filming Locations
See also: The Secret Service & The King's Man.
Kingsman: The Golden Circle was filmed in London, Camberley, & Cardiff in the United Kingdom and in Italy.
Punta Helbronner as Upper Skyway Station
Eggsy and Whiskey arrive at the top of the mountain and follow the signal down to the secret lab.
Pavillon du Mont Fréty as Lower Skyway Station
Eggsy and Whiskey leave Harry behind at the control room while they head up the mountain to the secret lab.
Millennium Stadium as Stadium
The infected are rounded up and kept in cages by the U.S. government.
Source: IMDb