Arts Commons (Formerly EPCOR Centre for the Performing Arts) is a multi-venue arts centre in downtown Calgary, Alberta, Canada, located in the Olympic Plaza Cultural District. Occupying a full city block, Arts Commons is a multi-level complex measuring over 560,000 square feet (52,000 m2). It is one of the three largest arts centres in Canada and is home to six resident companies, including Alberta Theatre Projects, Arts Commons Presents, Calgary Philharmonic Orchestra, Downstage, One Yellow Rabbit, and Theatre Calgary. Approximately 200 community groups make use of Arts Commons facilities every year, hosting everything from annual general meetings, graduations, cultural events, weddings, and more. In addition to a variety of performance and gathering spaces, Arts Commons also houses rehea