The Geelong city centre is the urban centre and main commercial locality of the Geelong metropolitan area, also referred to as the Geelong CBD, Central Geelong, the Central Activities Area, or informally simply as "Town" by locals. The name of the area is officially gazetted as Geelong. The Geelong city centre is the oldest part of Geelong and includes many of the city's historic landmarks such as the Geelong City Hall, St. Mary of the Angels Basilica, the T& G Building, Johnstone Park, Geelong railway station, and the old Geelong Post Office.