The Université Claude Bernard Lyon 1, also known as Université Lyon 1 or UCBL, is one of the three public universities of Lyon, France. The dominant areas of study covered by the university are science and medicine. The main administrative, teaching and research facilities are located in Villeurbanne. Other campus are the domains of Gerland, Rockefeller and Laennec. Attached to the University are the "Hospices civils de Lyon" including the "Centre hospitalier Lyon Sud", which is the largest teaching hospital in the Rhône-Alpes region and second largest in France.