Hayden Square is a attraction of Tempe city and is named after late U.S. Senator Carl Hayden. The square is surrounded by buildings that house various offices and homes. The square has umpteen number of businesses, restaurants, shops and a popular night club, all surrounding the open air amphitheater and fountain located here. The place is venue to Oktoberfest, the Festival of Lights, concerts and Super Bowl festivities. It is located less than than half a mile from the Arizona University.