The province is the second largest province with an area of 180,726 km² and a population of 2.5 million. The counties of the province are Chabahar County, Qasr-e Qand County, Dalgan County, Hirmand County, Iranshahr County, Khash County, Konarak County, Nik Shahr County, Saravan County, Sarbaz County, Sib and Suran County, Zabol County, Mehrestan County, Zahedan County, Zehak County, Hamun County, Nimruz County, Bampur County, Mirjaveh County & Fanuj County.