Hong Kong is a region in Asia.
San Francisco had a large influx of immigrants from Hong Kong, who had left before the United Kingdom transferred control of the colony to China in 1997. (TXF: "Hell Money")
In October 1995, Fox Mulder followed Jeraldine Kallenchuck to Hong Kong, where she was to meet Alex Krycek. Joan Gauthier, under the control of the black oil also travelled to Hong Kong, where she infected Krycek in a toilet in Hong Kong Airport. (TXF: "Piper Maru", "Apocrypha")
In 1998, Ian Detweiler had a wanshang dhole shipped from Hong Kong. (TXF: "Alpha")