The city of love, roses, and poetry. Shiraz is the sixth most populous city in Iran and the capital of Fars Province which is more than 4000 years old. Its population is around 1,460,665. Shiraz is located in the south of Iran and the northwest of Fars Province. It is built in a green plain at the foot of the Zagros Mountains 1,500 meters (4,900 feet) above sea level. It is known as the city of poets, literature, wine, and flowers. It is also considered by many Iranians to be the city of gardens, due to the many gardens and fruit trees that can be seen in the city. Shiraz’s economic base is in its provincial products, which include grapes, citrus fruits, cotton, and rice. It also has a major oil refinery and is a major center for Iran’s electronic industries. The Karim Khan Castle or Arg-E Karim Khan is a citadel located in the downtown of Shiraz. It was built as part of a complex during the Zand dynasty and is named after Karim Khan, and served as his living quarters. The design of the citadel combines military and residential architecture, for it was the home of Karim Khan and the military center of the dynasty.