Harrah's Entertainment was an American casino and hotel company founded in Reno, Nevada, and based in Paradise, Nevada, that operated over 50 properties and seven golf courses under several brands. In 2013, it was the fourth-largest gambling company in the world, with annual revenues of $8.6 billion. It was acquired in 2020 by Eldorado Resorts, which then changed its own name to Caesars Entertainment.

A casino is a facility for certain types of gambling. Casinos are often built near or combined with hotels, resorts, restaurants, retail shops, cruise ships, and other tourist attractions. Some casinos are also known for hosting live entertainment, such as stand-up comedy, concerts, and sports.