A casino (also known as a gambling establishment or a gaming house) is a place where people can gamble and win money. Casinos offer a variety of games, including poker, baccarat, blackjack, roulette, and craps. Some casinos also have shows or other entertainment events.

A modern casino has several security measures in place to prevent cheating and other illegal activities. These measures include a physical security force and specialized surveillance departments. In addition, some casinos have catwalks that allow security personnel to view patrons and their actions from above.

Casinos are often located in scenic places like Monte Carlo, Las Vegas, or Macau, and many have themed decor. They may offer luxury amenities such as restaurants, bars, and spas. They also offer a variety of gambling options, such as slot machines and table games.

Gambling in some form has been a part of almost all human societies throughout history. Some early civilizations were famous for their gambling, including the Ancient Mesopotamia, Greece, and Rome. Today, casinos are found worldwide and are a source of great revenue for many states and cities.

The most famous casino is in the United States, in Las Vegas. Other well-known casinos are in Baden-Baden, Germany; Estoril, Portugal; and Corfu, Greece. Some famous casinos are more luxurious than others, offering services such as floor shows and golf courses. Some of the largest casinos are owned by hotel companies, such as the Bellagio in Las Vegas and the Venetian in Macau.