Plovdiv Province (Bulgarian: Област Пловдив: Oblast Plovdiv, former name Plovdiv okrug) is a province in central southern Bulgaria. It comprises 18 municipalities (общини, obshtini, sing. общинa, obshtina) on a territory of 5,972.9 km² with a population, as of February 2011, of 683,027 inhabitants. The province is named after its administrative and industrial centre — the city of Plovdiv.