The CHI Health Center Omaha is an arena and convention center in the central United States, located in the North Downtown neighborhood of Omaha, Nebraska. Operated by the Metropolitan Entertainment & Convention Authority (MECA), the 1.1-million-square-foot (100,000 m2) facility has an 18,975-seat arena, a 194,000 sq ft (18,000 m2) exhibition hall, and 62,000 sq ft (5,800 m2) of meeting space.

Omaha is the most populous city in the U.S. state of Nebraska and the county seat of Douglas County. Omaha is in the Midwestern United States on the Missouri River, about 10 mi (15 km) north of the mouth of the Platte River. The nation's 40th-most populous city, Omaha's 2020 census population was 486,051.