A casino, also known as a gaming house, is an establishment for certain types of gambling. Casinos are often combined with hotels, restaurants, retail shops and cruise ships or are standalone buildings. Some casinos offer a wide range of entertainment and some are famous for their poker rooms or specialized games such as baccarat and blackjack.

In terms of land-based casinos, the world’s largest is located in Macao, a former Portuguese colony which is now part of China. The Venetian Macao, built in a style that recalls its sister resort in Las Vegas, is one of the most spectacular casinos anywhere in the world and is featured in several Hollywood films.

If you are looking to play for real money, the best online casinos will have secure payment methods and strong encryption. Look for a seal of approval from eCOGRA or another independent testing agency. Reputable casinos will also post their Return-to-Player (RTP) rates, which tell you how much of the money that is wagered on a particular game is returned to players over an extended period of time.

Gambling is a global industry and casinos can be found in most countries. The United States has the most casinos, with about 2,147 of them, according to WorldCasinoDirectory. Next in line is Romania with 314 casinos and then Spain, Italy and the Czech Republic with 313. In addition to the traditional tables and slot machines, most reputable online casinos have a variety of other betting options such as sports and horse racing.