A casino is an establishment for gambling. Casinos are often combined with hotels, resorts, restaurants, retail shops and/or other entertainment venues. Some casinos are also known for hosting live entertainment events such as stand-up comedy, concerts and sports.

In the United States, the most famous casino is in Las Vegas. Other major gaming centers include Atlantic City, New Jersey and Chicago.

The majority of casino revenue is generated by slot machines and video poker. These machines are characterized by their high volume, rapid play and ability to be adjusted for any desired amount of profit. Casinos also make a significant portion of their income from high-roller gamblers. These high rollers are typically found in special rooms away from the main casino floor and are accompanied by a personal host. They are rewarded with comps (free items) that may be worth tens of thousands of dollars.

Besides slot machines and video poker, a typical casino offers table games like blackjack, roulette and craps. These games are usually played against the house and manned by live dealers. Players can choose from a wide range of bets ranging from the minimum to the maximum amounts. Some of these games have skill elements, but most do not.

The ambiance of a casino is designed around noise, light and excitement. The floors and walls are covered in bright colors to stimulate the senses. Some casinos even use the color red, which is associated with energy and wealth in many cultures. In addition to the pulsing music, most casinos offer alcoholic beverages for sale and free non-alcoholic drinks.