A casino is an establishment for certain types of gambling. Some casinos are combined with hotels, restaurants, retail shops or cruise ships and offer a variety of gaming options like slot machines and table games. They also feature live entertainment. Some of the world’s most famous casinos include the Bellagio in Las Vegas, Casino de Monte-Carlo in Monaco and the Casino Baden-Baden in Germany.

The most common way people gamble in a casino is at a poker or table game. In the early 20th century, the word “casino” was used to refer to a public hall for music and dancing. By the second half of the century, it was used to mean a collection of gambling rooms or games. In the United States, casinos were often associated with organized crime figures and drew large numbers of visitors from areas where gambling was illegal.

Casinos are designed to attract high-volume gamblers with a variety of perks and incentives. They typically provide free hotel rooms, meals, show tickets and limo service to big spenders. They may even offer players a chance to earn comps for other activities, such as playing video poker or bingo.

Most casino gambling games have mathematically determined odds that ensure the house always has a profit margin over the players. This is known as the house edge. In addition to the math, casinos also employ a variety of security measures, including surveillance cameras and strict rules of conduct and behavior.