IRNA | Amir Qayoumi: Iran's Southern province of Fars with all its ancient and historical sights hosts tens of thousands of Iranian and foreign tourists. Fars Province is one of the 31 provinces of Iran, known as the Cultural Capital of Iran. It is in the South of the country. Shiraz is the capital of Fars province, one of the most beautiful, historical cities in the world. Farsi (Persian or Parsi) the language of Ancient Fars (Pars), has become the official language of Iran (Persia). Other major cities include Marvdasht, Abadeh, Estahban, Jahrom, Lamard, Khonj, Larestan, Eqlid, Fasa, Darab, Nayriz, Firouz Abad, Kazerun and Khorrambid.