A casino is a building or room in which gambling takes place. Its most common feature is a pit with tables and chairs for card games, but it may also include other types of gaming equipment such as slots, video poker and roulette wheels. A casino is also a place where entertainment, such as musical shows and acrobatic performances, is presented. The Bellagio in Las Vegas and the Monte Carlo in Monaco are two of the most famous casinos in the world.

Casinos attract visitors by offering perks designed to encourage and reward gamblers, especially those who spend more than average amounts of money. These incentives, known as comps, can include free hotel rooms, meals and show tickets. In addition, many casinos have a theme, such as a sports team or a city, that helps them distinguish themselves from competitors.

Although a variety of other attractions draw people to casinos, such as lighted fountains and shopping centers, the majority of casino profits come from gambling. Slot machines, baccarat, blackjack, roulette and craps are among the games that generate the billions in revenue that casinos earn each year.

The popularity of casino gambling has spawned numerous related enterprises. These include sports and race tracks, cruise ships that offer casino-style games, and even a few casinos in remote locations. Despite their glamorous exteriors, many casino businesses are fairly risky and not profitable, especially for those that cater to high-stakes gamblers. The business of casinos is a mix of luck, marketing and human nature.