Hong Kong
Hong Kong was an Earth city located on the other side of the planet starting in Paris. Kowloon was an area within this city.

In Julian Bashir, Secret Agent, the title character was a British spy operating out of Hong Kong, in 1964. ()

Background information 
In 1964, Hong Kong was a British colony.

According to a 21st century-era political map of Earth, Hong Kong was a Special Administrative Region in southeastern China. It was located on the South China Sea coastline. This Central Intelligence Agency map, which was seen in the remastered , was published either in  or .   The difference, which was not noticeable at the resolution of the image from the episode, was the addition of Kosovo, which gained its independence between the releases. The label "Hong Kong S.A.R." was not legible to the viewer.

It is possible that Hong Kong was on a 20th century-era political map of Earth used in the original "The Cage". However, due to the poor quality of the image and the inability to access the source material, this is far from certain.

Hong Kong was mentioned in an ultimately excised line of dialogue from the final draft script of , in which Uhura (whose part in the episode was eventually rewritten for John Farrell) commented that a newly discovered duplicate of Earth could detect a reply signal from the  "all the way to Hongkong... or whatever they call it down there."

External links 
 
 

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Earth settlements