A casino is an establishment for certain types of gambling. The games offered in casinos are usually those involving chance, but there are also those where skill is involved. A casino may also host other forms of entertainment, such as live music and shows. Some casinos are combined with hotels and resorts, as well as restaurants and shopping centers.

Casinos have security measures in place to prevent cheating and robbery by patrons or employees. These include a combination of cameras and personnel. In addition to this, some casinos have technology that monitors the games themselves; for example, in the game of roulette, the betting chips have built-in microcircuitry that interacts with electronic systems at the table, allowing casinos to oversee the exact amount wagered minute by minute and warn players quickly of any anomaly.

Some casinos focus on customer service and provide perks to encourage gamblers to spend more money, such as free rooms, meals, or show tickets. These perks are known as comps. Casinos that cater primarily to high rollers (gamblers who place large bets) often have separate VIP rooms that offer luxurious amenities and personal attention.

Casinos have existed since ancient times, and they can be found in almost every country in the world. They are a popular source of entertainment for both tourists and locals. The modern casino industry is booming and is expected to continue growing in the future. While some countries have strict gambling laws, others have liberalized their policies.