A casino is a facility where gambling activities take place. Its customers gamble by playing games of chance or skill, including poker, baccarat, craps, roulette and slot machines. A percentage of bets is taken by the casino, which earns its profits from the billions of dollars in wagers placed each year. The casinos also offer amenities such as hotels, restaurants and shows.

A casino can be distinguished from other gambling establishments by the fact that it is licensed and regulated by a government agency. The rules and regulations governing casinos vary from country to country, but most have similar requirements. In addition, casinos must employ a certain number of employees to maintain proper security and control.

Most casino profits come from games with a built-in house advantage. This can be as low as two percent, but it adds up over the millions of bets placed each year by gamblers. To offset this, casinos charge a fee known as the vig or rake. In some games, such as poker, a casino’s edge is calculated by comparing the odds of winning against the amount paid out to winners.

Casinos are often decorated to look like the locations where they’re located. For example, Caesars Palace is famous for its Roman-themed architecture and celebrity entertainment. Likewise, the Bellagio has been lauded for its dancing fountains and its appearance in the movie Ocean’s 11. Casinos also use technology to monitor the game play. For instance, betting chips with microcircuitry allow them to be tracked minute by minute and the casinos to detect any statistical deviation from expected results.