A casino is a place where people can play various games of chance for money. Some casinos offer more luxurious facilities than others, but all casinos house gambling activities. Historically, casinos were heavily associated with organized crime and had a seamy image. Mob money funded many Las Vegas establishments and often influenced the outcome of games. Casinos have also been associated with high levels of customer service and perks for players, which are known as comps.
Casinos are often located near or combined with hotels, resorts, restaurants, retail shops, and other entertainment attractions. Some are owned and operated by public corporations, while others are privately run. In some cases, casino operators invest in other businesses to diversify their revenue streams. Casinos are sometimes used as locations for events such as concerts or sports matches.
Most American casinos are built on or around the shoreline, although some are located on Indian reservations that are exempt from state antigambling laws. European casinos are more likely to be found in cities such as London or Monaco.
Most casinos have a security force that watches over both patrons and the games. Casino employees have their eyes on the tables, looking for blatant cheating such as palming or marking cards. They are also trained to spot other anomalies, such as betting patterns that could indicate cheating. In addition to this, some casinos use technology to monitor their games. For example, chips with built-in microcircuitry interact with electronic systems that oversee the exact amounts wagered minute by minute and warn staff if there is any deviation from expected results.