A casino is a gambling establishment that features various games of chance. The most popular casino games include blackjack, poker, and slots. Casinos also feature restaurants, bars, and shopping centers. Many casinos are located in resorts or hotel complexes, while others are stand-alone buildings. Casinos can be found in the United States, Europe, and Asia. Some casinos are operated by large hotel chains, while others are owned by independent companies or Native American tribes. In addition to the gaming tables, a casino may offer other entertainment such as stage shows and a variety of other live events.
In the United States, casinos are legal in 37 states and the District of Columbia. Some casinos are located on American Indian reservations, which are exempt from state anti-gambling laws. Casinos are also popular in other countries, especially in South America.
Modern casinos have a wide range of security measures in place. In addition to a physical security force, many casinos have a dedicated surveillance department. These departments often operate a high-tech “eye-in-the-sky” system, where cameras monitor every table, change window, and doorway in the facility. The cameras are constantly monitored by security personnel, who can zoom in on suspicious patrons or alert other staff members to potential problems. Casinos also use other technological measures to prevent cheating and stealing. For example, casino chips have built-in microcircuitry that enables them to be tracked minute by minute; and roulette wheels are electronically inspected for any statistical deviations.