A casino or gambling establishment is a place where people can take part in games of chance for money. Some casinos specialize in certain types of gambling, such as slot machines or table games. The precise origin of gambling is uncertain, but it has been a popular activity throughout history in many cultures and societies. Modern casinos are often combined with hotels, restaurants, retail shops, and other entertainment venues. Some casinos are also known for their live entertainment, such as stand-up comedy or concerts.
Most casino games involve an element of chance, with the exception of some that require skill (e.g., blackjack and video poker). The house has an advantage over the players in most games, which it maintains by adhering to strict rules and procedures. In games such as roulette and baccarat, the house takes a commission on winnings, which is called the vig or rake. Other common casino games include craps and video poker. In some countries, casino gambling is legalized and regulated by government bodies.
Due to the large amounts of money that are handled within a casino, both patrons and staff may be tempted to cheat or steal, either in collusion or independently. For this reason, modern casinos usually employ a combination of physical security forces and specialized surveillance departments. In addition to visible security personnel, casinos also use closed-circuit television systems to monitor all activities within the facility. These cameras are usually located throughout the casino, and can be monitored from a central location.