A gambling establishment that offers players a variety of gambling games. Typically, casinos offer table games, such as blackjack and roulette, as well as slot machines and other electronic gaming devices. Some casinos also feature restaurants and bars. Some casinos, like the famous Monte Carlo Casino in Monaco, have become tourist attractions themselves. A casino is a facility where people can gamble and is usually licensed and regulated by government authorities.

Casinos are widespread around the world, but are most prevalent in countries with legalized gambling and in some US states. In the United States, a person must be 21 years old to enter a casino, and there are statutory prohibitions against minors playing or loitering in casinos.

In the earliest casinos, people played dice and other games of chance, but as the gaming industry developed in the 20th century, table games such as blackjack became more popular and eventually replaced the dice. Casinos now offer a wide variety of games, including baccarat (known as chemin de fer in Europe), blackjack, and trente et quarante in France.

Modern casinos use a lot of technology to supervise the games and the betting process. For example, a computer system that tracks the amount of money placed on each bet allows casinos to oversee the amount wagered minute by minute and quickly detect any statistical deviations from the expected outcome. In addition, casino employees are trained to identify liars and dishonest players. These workers are sometimes known as “gaming mathematicians” or “gaming analysts.”