What Is a Casino?

A casino is a building that allows people to gamble and play games with a chance to win money. These facilities are often regulated by law. They also offer other entertainment like shows and fine dining. They may also have a hotel or other amenities. Some casinos focus on attracting high-spending patrons by offering free rooms, meals or other perks.

Because large amounts of money are handled within casinos, they can be a place where people cheat or steal in collusion or independently. This is why casinos invest a lot of money in security measures. Many have elaborate surveillance systems that allow security personnel to see every table, window and doorway in the facility. Casinos also use a system called “chip tracking,” which lets them monitor exact amounts wagered minute-by-minute and alerts them to any deviation from expected results.

Some casinos encourage players to spend more by providing perks such as free drinks, food and show tickets. In addition, they can be a great place to socialize and watch the action. However, the house always wins in the long run. That is why they have a built-in advantage, known as the house edge, that ensures their profitability.