The Portland Exposition Building, also known as The Expo, is a sports and exhibition venue (convention center) building complex in Portland, Maine. The complex includes five inter-connected buildings with 330,000 square feet of exhibition space and 10 meeting rooms. The Center is adjacent to the Hadlock Field and the Portland Ice Arena. Phish, Ani Difranco, Natalie Merchant, The Monkees, and Rusted Root have played at the venue. It has also hosted trade shows and celebrations. It has been used for the Maine Red Claws babsketball team, Portland High School (Portland, Maine) Bulldogs basketball games, and indoor track events have been held at the Expo. In 2007 the Expo became the home of Maine Roller Derby.