Fars Province, also known as Pars Province as well as Persis, is one of the 31 provinces of Iran. The province has an area of 122,400 km2 and is located in Iran's southwest, in Region 2. Its administrative center and capital city is Shiraz. Fars neighbours Bushehr province to the west, Hormozgan province to the south, Kerman and Yazd provinces to the east, Isfahan province to the north, and Kohgiluyeh and Boyer-Ahmad province to the northwest.

Persian, also known by its endonym Farsi or Parsi, is a Western Iranian language belonging to the Iranian branch of the Indo-Iranian subdivision of the Indo-European languages. Persian is a pluricentric language predominantly spoken and used officially within Iran, Afghanistan, and Tajikistan in three mutually intelligible standard varieties, respectively Iranian Persian, Dari Persian, and Tajiki Persian. It is also spoken natively in the Tajik variety by a significant population within Uzbekistan, as well as within other regions with a Persianate history in the cultural sphere of Greater Iran. It is written officially within Iran and Afghanistan in the Persian alphabet, a derivative of the Arabic script, and within Tajikistan in the Tajik alphabet, a derivative of the Cyrillic script.