A casino, or gambling house, is an establishment where people can play various types of gambling games. Some casinos are stand-alone facilities while others are part of larger hotels, resorts, restaurants, cruise ships or other tourist attractions. In the United States, casinos are usually located in cities with legalized gambling or on Native American land. In other countries, they may be found in tourist destinations such as Las Vegas or Macau.

In addition to gaming tables, most casinos feature other entertainment options such as concerts, shows, and sporting events. They also often have a wide selection of food and beverages, such as coffee shops, buffets, and fast-food outlets. Many have luxury options, such as fine dining and room service, which can be expensive.

Casinos also offer a variety of security measures. Some of these are obvious, such as cameras and the presence of uniformed personnel. Other security measures are more subtle. For example, the routines and patterns of different casino games (how dealers deal cards, how players place their chips) follow certain rules that make it easier for security staff to spot cheating.

Gambling in its various forms has been a part of human culture throughout history, and casino games have become one of the most popular ways to indulge in this activity. In the past, such activities were often associated with organized crime, and they were frequently outlawed. However, the development of modern technology has enabled them to be regulated and legalized in many places.