an Entity references as follows:
Springfield is the capital of the U.S. state of Illinois and the county seat and largest city of Sangamon County. The city's population was 114,394 at the 2020 U.S. Census, which makes it the state's seventh most-populous city, the second largest outside of the Chicago metropolitan area (after Rockford), and the largest in central Illinois. Approximately 208,000 residents live in the Springfield metropolitan area.