A casino, or gaming house, is an establishment for certain types of gambling. These houses are often combined with hotels, restaurants, and retail shops. In some countries, casinos are required to hold a license.

Traditionally, casinos have made their profits through the patrons’ losses. However, as time passed, they began to diversify their revenue streams. Casinos now generate profits from their gaming machines, restaurant and hotel facilities, as well as live entertainment. In addition to these revenue streams, some casinos also operate cruise ships and are involved in the distribution of lottery tickets.

In the United States, the first legal casino was established in Atlantic City, New Jersey, in 1978, although many other gambling establishments have since been built. During the 1980s and ’90s, casinos were introduced on American Indian reservations, which are not subject to state anti-gambling laws. Casinos are also found in other cities and countries around the world.

The most famous casino is located in Monte Carlo, Monaco, and is a major source of income for the principality. It was originally built in 1863 and is one of the most recognizable structures in Europe.

Other famous European casinos are found in Estoril, Portugal; Corfu, Greece; and Baden-Baden and Bad Homburg, Germany. The oldest known casino in the world is located in Venice, Italy, and is called the Casino di Venezia. The casino is set on the Grand Canal and guests arrive via a free water shuttle service or by foot.