A casino (also known as a gaming house or club) is a facility that offers various types of gambling games. The casino industry is a significant source of revenue for many states and is regulated by law. Many casinos are located in hotels, restaurants, retail stores or on cruise ships. Some are owned by investment banks and run by professional managers. Casinos are often built near other tourist attractions to increase their traffic and attract customers.

A large percentage of casino profits come from gamblers who are influenced by the presence of large sums of money. Gambling addiction is very common and is a major problem in the United States. The legality of casino gambling is debated, and some cities and states have banned it altogether. The majority of casino profits are from table games and slot machines, with less from card games and other games of chance.

The modern casino is a complex facility that includes the gaming floor and all related areas such as the backrooms and kitchens. Security is of prime importance, and the casino employs a variety of strategies to deter crime. The most obvious are the cameras, which are everywhere in the casino and can be manipulated to focus on suspicious patrons. These are complemented by elaborate systems such as “chip tracking” that monitors betting chips with built-in microcircuitry and can warn the pit bosses of any statistical deviation from expected values.

Many casinos offer perks to encourage players to spend more, such as free hotel rooms and show tickets. They also have huge advertising budgets to attract visitors from outside the local area. This is particularly true in Las Vegas, where casinos compete to outdo one another by offering the best deals on travel packages, buffets and other amenities.