Hong Kong, also known as Hong Kong Special Administrative Region of the People's Republic of China, is an autonomous region on the southern coast of mainland China and encompassing several islands.
Gangs and drug dealing
After the Amazo was majorly damaged, Amanda Waller had Oliver Queen transported to Hong Kong. From there, she picked him up in a car. Oliver made repeated attempts to escape, only to agree to help Waller out when she threatened Maseo's family.
Later on, it was subjected to a bioterrorist attack by the United States Marine, who planned to use the Triads to cover their tracks. However, the official story ended up being a chemical spill.