A casino is a gambling establishment that offers games of chance for money. In the United States, casinos are licensed and regulated by state governments. They usually offer a variety of gambling options, including slot machines, table games and poker. Some casinos also have restaurants and bars.

Casinos make their profits by taking a percentage of all bets placed on their tables or machines. These percentages, known as the house edge or vigorish, can be small but add up to significant amounts over time. The house edge of casino games varies from game to game, but is typically higher in table games than in slot machines. The most common casino table games are blackjack, roulette and craps. Poker and baccarat are also popular. Other games of chance such as two-up, fan-tan and pai gow are found in some casinos.

Modern casino facilities are designed to appeal to the senses of sight, sound and touch. For example, lighting is often very bright and colorful to stimulate the visual senses. More than 15,000 miles of neon tubing are used to light many of the casino buildings on the Las Vegas Strip. The noises of casino floor activity are designed to appeal to the ear with clangs, bells and chiming clocks. Casinos are located in a variety of settings, from opulent resort hotels to waterfront locations.

The most famous casino in the world is probably the Bellagio in Las Vegas, which has appeared in countless movies and television shows. But other well-known casinos include Monte Carlo, the Casino de Paris and the Casino Baden-Baden in Germany. The elegant spa town of Baden-Baden first became a playground for European royalty and aristocracy 150 years ago, and its casino remains one of the most luxurious in the world today.

Because of the large sums of money that pass through casino doors, security is a major concern. Casinos use a variety of measures to prevent cheating and stealing by patrons and employees, either in collusion or independently. Casinos often have special security cameras that can detect unusual movements or behavior. In addition, casino security personnel can be notified by radio or cell phone if there is a problem. Many casinos have high-tech surveillance systems that give them an “eye in the sky” view of every table, window and doorway. In this way, they can immediately spot any suspicious behavior and respond to it. They also record the video feeds so that they can watch them later for any evidence of crime or fraud. The security camera system is usually controlled by a team of experienced casino guards.