Hong Kong is a major city in the south of China which has run as the Special Administrative Region since July 1st, 1997 and ran as a British Crown colony from 1841 to 1997.
It is a location appearing in Call of Duty: Black Ops mission "Numbers", as well as the multiplayer map Kowloon taking place in the same location in Kowloon, Hong Kong.
It was also a location in Call of Duty: Black Ops II, first seen in the Villain Trailer.
Hong Kong is featured in Call of Duty: Strike Team. On November 2, 2020, JSOC are sent to a warehouse in Kowloon, Hong Kong, to destroy the computer servers containing the data of Cordis Die.