The State Farm Center is a large dome-shaped 15,544-seat indoor arena located in Champaign, Illinois, owned and operated by the University of Illinois Urbana-Champaign. The arena hosts games for the Illinois Fighting Illini men's basketball, women's basketball, and wrestling teams. It also doubles as a performance and event center, and is one of the largest venues between Chicago and St. Louis. It opened in 1963 and was known until 2013 as Assembly Hall until State Farm Insurance acquired naming rights as part of a major renovation project.

Champaign is a city in Champaign County, Illinois, United States. The population was 88,302 at the 2020 census. It is the tenth-most populous municipality in Illinois and the fourth most populous city in the state outside the Chicago metropolitan area. It is a principal city of the Champaign–Urbana metropolitan area, which had 236,000 residents in 2020.