Fars (Persian: فارس) is one of the 30 provinces of Iran. It is in the south of the country and its center is Shiraz. It has an area of 122,400 sq. km. In 1996, this province had a population of 3.8 million people, out of which 42% resided in rural areas and the rest were urban settlers.
Nominally, Fars is the original homeland of the Persian people. The native name of the Persian language is Fārsi or Pārsi. Persia and Persian both derive from the Hellenized form Πέρσις Persis of the root word Pārs. Fārs is the Arabicised version of Pars. The Old Persian word was Pārsā.
There are three distinct climatic regions in the Fars Province. First, the mountainous area of the north and northwest with moderate cold winters and mild summers. Secondly, the central regions, with relatively rainy mild winters, and hot dry summers. The third region located in the south and southeast, has moderate winters with very hot summers. The average temperature of Shiraz is 16.8° C, ranging between 4.7° and 29.2° C.