In the context of Hong Kong, "XXX" most commonly refers to , an iconic underground gallery and nightclub that served as a cornerstone for independent music and street culture between 2011 and 2018. The Underground Legend: XXX Hong Kong
was a highly influential underground hotspot located on the Kowloon side. It gained a reputation for being a creatively safe haven in a city often described as "creatively inhospitable" due to high commercial pressures.
These districts have long histories of vibrant nightlife. While the city has undergone significant gentrification, the intersection of traditional markets and modern entertainment hubs continues to define these areas.