A casino is a building that houses gambling activities. It may also be a hotel and an entertainment complex. Casinos are often located in or near tourist destinations, and are a source of income for the local economy. They usually provide a wide range of gaming options, including table games like blackjack and poker, as well as slot machines. In addition, some casinos offer sports betting and horse racing.

Many casinos have security measures in place to deter crime. These measures include a physical security force and specialized surveillance departments. Some casinos also use catwalks above the gaming floor to allow surveillance personnel to look down on players from a safe distance. In addition, a variety of technological measures are used to prevent criminal activity, such as closed circuit television and cameras in the lobby area.

While there are casinos throughout the world, some cities have become known specifically for them. Monte Carlo, for example, is famous for its casinos and is a popular destination for wealthy gamblers. Casinos are also sometimes located on American Indian reservations, which are exempt from state antigambling laws.

The largest casino in America is the Foxwoods Resort Casino in Connecticut, operated by the Mashantucket Pequot Indian tribe. This casino complex features six casinos, a bingo hall, and other entertainment venues. It has a total of 4.7 million square feet of gaming space and offers one of the most diverse selections of table games, slot machines, and other electronic devices.