OSF Saint Francis Medical Center, located in Peoria, Illinois, United States, is a teaching hospital for the University of Illinois College of Medicine at Peoria and part of the OSF Healthcare System. The Center, which is the largest hospital in the Peoria metropolitan area and in central Illinois, is designated by the state of Illinois as the Level I adult and pediatric regional trauma center for a 26-county region in mid-Illinois. OSF Saint Francis owns the Children's Hospital of Illinois (though the Hospital has its own President), the OSF Saint Francis Heart Hospital, the Illinois Neurological Institute, and the OSF Saint Francis Medical Center College of Nursing, which are all located either in or near the Medical Center.