A casino is a gambling establishment where people can gamble by playing games of chance or skill. It also offers a variety of entertainment options, such as shows and concerts. Most casinos are regulated by the state and operate under a license. Casinos must adhere to a strict code of conduct, and they often employ security personnel to protect their customers. They may also be subject to audits by state regulators.

In the United States, there are over 1,000 casinos. Some are owned by governments, while others are privately run. Some casinos specialize in particular games, such as poker or blackjack. Others have a general focus, such as sports betting or horse racing. Some of the largest casinos in the world are located in Las Vegas, Macau, and Singapore. Many of these have luxurious accommodations, fine dining, and top-notch entertainment.

Most casinos offer a wide variety of gaming options, including table games and slot machines. In addition, most of them feature a selection of restaurants and bars. Guests can also enjoy a range of other leisure activities, such as shopping and spa treatments.

Modern casino security is typically divided into two departments: a physical security force and a specialized surveillance department. The former patrols the facility and responds to reports of suspicious or definite criminal activity, while the latter operates the casino’s closed circuit television system. Both departments work closely together to prevent crime and keep the property safe.