A casino is a gambling establishment where customers gamble by playing games of chance, in some cases with an element of skill. The casino earns a profit from these games by taking a commission from the winning players called the rake. Casinos are licensed and regulated by government agencies, either at the state or local level, and are designed to ensure that gamblers are treated fairly and with respect.

In the United States, casinos are operated by major hotel chains and independent establishments. In the past, casinos were illegal in many states, but the laws were changed in the latter part of the 20th century. Today, there are a number of casinos across the country, including one in New York City, which opened in 2024.

The casino industry is a multibillion dollar business that attracts many people from around the world. The business is primarily driven by its customer service, and casinos go to great lengths to encourage gamblers to spend money and stay longer than they would otherwise. This is done by offering perks, known as comps. In addition to free items, these perks can include discounted travel packages and food vouchers. Casinos also strive to maximize their profits by attracting high rollers, who are affluent and spend more than the average gambler. These high rollers are typically given their own rooms, and may receive complimentary meals or show tickets as part of their enticement to visit. The casino industry has very strong regulation and security measures, and is staffed by well-trained personnel.