A casino is a public place where a variety of games of chance can be played and where gambling is the primary activity. Many casinos offer luxuries like restaurants, free drinks, stage shows and dramatic scenery to attract customers. Casinos are regulated by state governments and may be located on Indian reservations, military bases or even cruise ships.
The term casino is also used to refer to a specific game of chance, such as roulette or blackjack. Although some games of chance involve an element of skill, most are purely random. In games of chance, the house always has a mathematical advantage over patrons, which is called the house edge or expectancy. The casino makes its money by charging a fee to gamblers or taking a commission on player wins.
Although gambling likely predates recorded history, modern casinos developed in Europe during the 16th century during a gambling craze. In the beginning, Italian aristocrats held private parties at clubs called ridotti, which were places to play poker and other games of chance in an atmosphere of exclusivity. Although the ridotti were technically illegal, the aristocrats rarely were bothered by legal authorities.
The modern casino features a wide range of games, from baccarat to blackjack to video poker and beyond. There are also a wide variety of ways to bet on games, from traditional chips to credit cards to anonymous online transfers. Elaborate security systems monitor patrons’ every move, and high-tech “eye-in-the-sky” surveillance systems let security personnel watch the entire casino at once.