Shiraz is a city in south-central Iran, known for its literary history and many gardens. The marble Tomb of Hafez, honoring the revered poet, sits within its own garden. To the east, the Mausoleum of Saadi houses the 13th-century writer’s mosaic-tiled tomb and an underground pool. Shiraz is a gateway to Persepolis, the ruined 6th-century-B.C. capital to the northeast, with its immense gateways, columns and friezes. Population: 1.461 million (2011) The tombs of Hafiz, Saadi, and Khaju e Kermani (whose tomb is inside a mountain above the city's old Qur'an Gate). Other lesser known tombs are that of Shah Shoja' (the Mozafarid emir of Persia, and patron of Hafiz), and the Haft Tanan mausoleum, where seven Sufi mystics are buried. The Tomb of Baba Kuhi sits atop a mountain overlooking the city, and the tomb of Karim Khan Zand is at the Pars Museum of Shiraz. The oldest mosque is Atigh Jame' Mosque, which is one of the older mosques of Iran, followed by Vakil Mosque and Nasir al-Mulk mosque. The Vakil Mosque is situated west of the famous Vakil Bazaar. It covers an area of 8,660 square metres (93,200 square feet) and was built in 1187 (AH) during the Zand Dynasty. On the two sides of the entrance gate there are magnificent tile-works and arches. The left and right corridors of the entrance gate are connected to the main room. The citadel of Arg of Karim Khan sits adjacent to the Vakil Bazaar and Vakil Bath at the city's central district. The most famous of houses are Zinat-ol-Molook House and Gahavam's House, both in the old quarters of the city. The Qur'an Gate is the entrance to Shiraz. It is located near the gorge of Allah-o-Akbar and is flanked by the Baba Kuhi and Chehel Maqam mountains. The gateway is where two copies of the Qurans known. The Eram Garden (Bagh-e Eram) in Shiraz is a striking location for visitors with a variety of plants as well as a historic mansion. Although the exact date of the construction of the garden is not clear, historical evidence suggests it was constructed during the Seljuk Dynasty on the orders of the celebrated Seljuk monarch Sanjar. Other historical Persian gardens are Afifabad Garden and The Museum of Weapons, Delgosha Garden and Jahan Nama Garden.