Casino is a gambling establishment that offers patrons the chance to place wagers on games of chance. In some cases, skill is also involved in a game’s rules and strategy. The term “casino” is derived from the Italian word for little house. In the 21st century, casinos are found around the world and are regulated by government agencies.

Casinos are a popular source of entertainment and generate billions in profits every year. While elaborate themes, lighted fountains, floor shows and shopping centers help attract visitors, the vast majority of a casino’s profits comes from gambling. Games such as slot machines, poker, blackjack and roulette provide the foundation of a casino’s financial success.

Most casinos operate within an established legal limit that ensures the house will always have a mathematical advantage over players. This edge is known as the house edge or expected value. The house may also take a small commission, called the rake, from a game’s winnings. Casinos also offer incentives to frequent patrons, including free or discounted entertainment, transportation and accommodations.

Casinos are heavily regulated and have strict security measures in place to prevent cheating and other unethical activities. Security personnel watch patrons closely and are quick to catch any blatantly obvious attempts to defraud the house, such as palming, marking or changing cards or dice. Security also monitors patterns and routines to spot potential cheating, such as when a dealer shuffles and deals in the same manner each time.