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What Is a Casino?

A casino is a place where people can gamble by playing games of chance, in some cases with an element of skill. Casinos usually offer table games, such as blackjack and roulette, as well as slot machines. Some also have poker rooms, and non-gambling activities such as restaurants, bars, swimming pools and spas.

Casinos use technology to oversee their games as well as their patrons. For example, chip tracking allows casinos to monitor the exact amounts wagered minute by minute; electronic systems on roulette wheels allow them to quickly discover any statistical deviation from their expected results. Casinos also employ video cameras to ensure that players are adhering to gambling regulations.

Whether they are on the waterfront of Las Vegas or in the old spa town of Baden-Baden, casinos have become luxurious mega-empires. They often have multiple floors with themed decor and a mindboggling number of gambling games. In addition to the usual offerings, some have hotels, restaurants, shopping malls, theatres and other entertainment venues.

While the majority of casino visitors are average or below-average earners, high rollers are a major source of income for casinos. Because of their enormous bets, they are able to generate a much higher gross profit than other customers. In exchange for this advantage, high rollers receive special inducements such as free spectacular entertainment and luxury living quarters.