A casino is a place where people can gamble and try their luck at winning money. They can also use the casino to relax and socialize with friends or other patrons. A casino is typically operated by a private company and is regulated by a government agency. Casinos are located in many countries around the world.

The casino industry is a major source of employment and income for its proprietors, especially in large resort areas. Musical shows, lighted fountains and shopping centers often draw visitors to casinos, but the vast majority of revenue comes from gambling, in games such as slots, blackjack, poker, roulette, craps and baccarat.

Some casinos focus on high-stakes players. These high-rollers are given special rooms and can be expected to spend tens of thousands of dollars at a time. They often receive free food, hotel accommodations, show tickets and even airline tickets and limo service as part of their comps (complimentary goods and services). Casinos are designed to maximize noise, light and excitement, and patrons are encouraged to interact with one another and shout encouragement. Drinks are often served freely, although alcoholic drinks are sometimes restricted.

Gambling is a serious problem, and casinos are careful to monitor patrons and to display responsible gambling information. Some states include statutory funding for specialized gambling addiction support programs as a requirement for casino licensing. Problem gambling is often a hidden addiction, and the signs can be difficult to spot. Typical warning signs include spending more than you can afford to lose and lying about your losses.