A casino is a building or room where people play gambling games. It is also a place where people sit to drink and enjoy entertainment shows. There are many different types of casino games. People can place bets on table games such as blackjack, roulette and baccarat. There are also slot machines. People can also place bets on sports events or on the outcome of a game of cards.

Casinos are a major source of income for their owners and operators, and they draw billions of dollars from gamblers worldwide each year. They are found in large resorts, like the Bellagio in Las Vegas, and on riverboats and racetracks. They are also found on American Indian reservations, where they are not subject to state antigambling laws.

While casinos offer many luxury amenities to their patrons, they make money primarily from gambling, which involves betting on the outcome of games of chance. Each of these games has a built-in advantage for the house, which can be as low as two percent. This edge earns the casinos enough money to finance their extravagant hotels, fountains, towers and replicas of famous landmarks.

Modern casinos often include a variety of live entertainment options, such as musical performances and stand-up comedy. They may also feature top-notch restaurants and spas. In addition, they employ a physical security force and a specialized surveillance department that uses closed circuit television to monitor all activities within the facility.