A casino is a gambling establishment that offers gaming machines and table games. It is usually located in a large hotel and entertainment complex. It may also be located on an American Indian reservation. Many states have amended their antigambling laws in the 1980s and 1990s to permit casinos.

In general, a casino is operated by a private company. It earns revenue by charging fees to its patrons, whose money it then uses for gaming purposes. It is also possible for a casino to make an overall profit, which depends on the amount of money wagered and the percentage of total bets made on its games.

The term casino can also refer to a specific type of gambling establishment, such as an electronic gaming machine or a racetrack with casino-type games. In the United States, a casino is usually a facility where traditional table games like blackjack and craps are played, as well as random number games such as roulette and poker. In addition, some casinos offer a combination of these types of games.

Most people associate the word casino with Las Vegas, a city famous for its casino resorts and flashy entertainment, but there are casino properties in all sizes, from massive resorts to small card rooms. Most states have regulations governing the operation of casino-type games, but the industry is still growing. Successful casinos generate billions of dollars each year for the companies, investors, and Native American tribes that operate them. They also reap substantial tax revenues.