Kermanshah (Southern Kurdish: کرماشان, Kirmashan; Persian: کرمانشاه, Kermānshāh; also known as Bākhtarān or Kermānshāhān), the capital of Kermanshah Province, is located 525 kilometres (326 miles) from Tehran in the western part of Iran. According to the 2011 census, its population is 851,405. A majority of the population speaks Southern Kurdish. Kermanshah has a moderate and mountainous climate. Kermanshah is the largest Kurdish-speaking city in Iran. Most of the inhabitants of Kermanshah are Shia Muslims, but there are minorities such as Sunni Muslims, Yarsanism and so on.