The earliest reference to the city is on Elamite clay tablets dated to 2000 BC, found in June of 1970, while digging to make a kiln for a brick making factory in the south western corner of the city.
The city of Shiraz had been the center of history and Culture from 2000 years ago.
The greatest cities like Estakhr or the great poets like Hafez and Saadi or others...
Shiraz as an old city has some Natural Sites like Gardens or Poets mausoleum which are old and valuable for Tourist.
While you are in Shiraz not only can enjoy Historical sites but also can visit Religiouse Sites like mosques,Tombs or mausoleum of other
relogions as Zoroastrian,Christian or Jewishs.