Centennial Hall is Sydney Town Hall’s flagship heritage event space at 483 George Street. City of Sydney advertises an audience capacity up to 2,000 in theatre configuration or 800 for dinner, across a 1,020 m² hall with monumental ceiling and the historic Grand Organ. The venue is suited to major conferences, gala dinners, performances and brand events; stage position, gallery use and floorplan choice determine the approved audience and service setup.