Gambling in Macau has been legal since the 1850s when the Portuguese government legalised the activity in the autonomous colony. Since then, Macau has become known worldwide as the "Gambling capital of the world". It is the only place in China where casino gambling is legal.

The Venetian Macao, is a hotel and casino resort in Macau, China owned by the American Las Vegas Sands company. The 39-story structure on Macau's Cotai Strip has 10,500,000-square-foot (980,000 m2) of floor space, and is modeled on its sister casino resort The Venetian Las Vegas. It is the largest casino in the world, the largest single structure hotel in Asia, and the tenth-largest building in the world by floor area.