A casino is a building where people can gamble and play games of chance. It can also offer entertainment, food and drink. It can be found worldwide and is a popular form of gambling. While musical shows, lighted fountains, hotels and shopping centers attract visitors, casinos are mostly about the billions of dollars in annual profits they make from games of chance.
Some casino games have a certain amount of skill involved, such as poker, but most have an element of chance and are designed to give the house a permanent advantage over the players. This advantage is sometimes called the house edge or expected value. Casinos may also give out complimentary items to gamblers or take a percentage of the bets, known as rake.
Due to the large amounts of money handled within a casino, both patrons and staff may be tempted to cheat or steal. To prevent this, casinos employ various security measures. These include cameras, security personnel and rules of conduct. In some cases, the use of special chips with built-in microcircuitry allows casinos to monitor bets minute by minute and warn them of any suspicious activity. Roulette wheels and dice are routinely monitored for any statistical deviation from their expected values.
The Bellagio in Las Vegas is probably the most famous casino in the world, thanks to its dancing fountains and luxurious accommodations. It was originally designed as an elite spa for wealthy Europeans and has seen many eras come and go. However, its reputation grew even more after the movie Ocean’s 11 was set there, making it a magnet for both high-rollers and casual visitors.