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What Is a Casino?

A casino is a gambling establishment where gamblers play games of chance and risk money or other items of value. Some casinos feature restaurants, retail shops, theaters, and/or live entertainment in addition to their gaming facilities. A number of states have laws regulating the operation of casinos.

Generally, the house always has an advantage over the players, either through rules that give the casino an edge or by taking commission on winnings. The house edge is a mathematically determined factor that is built into games like craps, roulette, blackjack, and video poker. The house takes a percentage of each wager, which is known as the rake or cut.

In more sophisticated casinos, employees watch patrons to make sure they’re not cheating or stealing. Some have a high-tech “eye-in-the-sky” system that can monitor every table, change window and doorway, with the ability to focus on specific suspects.

Something about gambling (and perhaps the presence of large sums of money) encourages people to try to cheat, steal and scam their way into a jackpot. That’s why casinos spend a lot of time and money on security.

In the past, many American casinos were located on Indian reservations, which were exempt from state anti-gambling laws. After the legalization of gambling in 1978, casinos began popping up all over the country. Today, there are more than 3,000 casinos worldwide. Some are quite opulent, such as the Casino Lisboa in Lisbon, which boasts 165,000 square feet of gambling space, including two tiers of slot machines and 26 tables. Others are more discreet, such as the elegant spa town of Baden-Baden in Germany, which was once a playground for royalty and European aristocracy.