A casino, also known as a gambling establishment or a gaming house, is a place where people gamble and play games of chance. Its precise origin is unknown, but it is widely believed that gambling has been around in some form since ancient times. It is most famously associated with the city of Las Vegas in the United States, but it can also be found in many other places throughout the world.

Most casinos offer a wide variety of casino games, including slot machines, video poker and keno, as well as table games like blackjack, baccarat, roulette and craps. Some casinos even feature a variety of specialty games, such as pai gow poker and bingo. In recent years, some casinos have expanded their operations to include hotel and entertainment facilities.

Because large amounts of money are handled within a casino, there is always the potential for cheating and stealing by both patrons and staff. Security measures are therefore a key part of casino operations. Casinos use a variety of tools to ensure the integrity of their games, including cameras and rules of conduct.

In addition, some casinos offer complimentary items to their players, called comps. These can include anything from free drinks to room service and meals. Some casinos even give out airline tickets and limo service to their top players. These measures are intended to make the casino a profitable enterprise. However, critics argue that the costs of compulsive gambling offset any economic benefits.