The Cleveland Cavaliers are an American professional basketball team based in Cleveland. The Cavaliers compete in the National Basketball Association (NBA) as a member of the Central Division of the Eastern Conference. The team began play as an expansion team in 1970, along with the Portland Trail Blazers and Buffalo Braves. Home games were first held at Cleveland Arena from 1970 to 1974, followed by the Richfield Coliseum from 1974 to 1994. Since 1994, the Cavs have played home games at Rocket Mortgage FieldHouse in downtown Cleveland, which is shared with the Cleveland Monsters of the American Hockey League. Dan Gilbert has owned the team since March 2005.

Cleveland, officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in Northeast Ohio along the southern shore of Lake Erie, it is situated across the U.S. maritime border with Canada and lies approximately 60 miles (97 km) west of Pennsylvania. Cleveland ranks as the most populous city on Lake Erie, the second-most populous city in Ohio, and the 54th-most populous city in the U.S. with a 2020 population of 372,624. The city anchors the Cleveland metropolitan area, the 33rd-largest in the U.S. at 2.18 million residents, as well as the larger Cleveland–Akron–Canton combined statistical area, the most populous in Ohio and the 17th-largest in the country with a population of 3.63 million in 2020.