Golestān Palace (Persian: کاخ گلستان) pronounced "Kakheh Golestān" is the former royal Qajar complex in Iran's capital city.The oldest of the historic monuments in Tehran, a World heritage, the Golestan Palace (also Gulistan Palace) (The Rose Garden Palace) belongs to a group of royal buildings that were once enclosed within the mud-thatched walls of Tehran’s Historic Arg (citadel).
The Arg was built during the reign of Tahmasp I (r. 1524-1576) of the Safavid dynasty (1502–1736), and was later renovated by Karim Khan Zand (r. 1750-1779). Agha Mohamd Khan Qajar (1742–1797) chose Tehran as his capital.In its present state, Golestan Palace is the result of roughly 400 years construction and renovations.The buildings at the contemporary location each have a unique history.
On October 11, 2005 the Cultural Heritage Organization of Iran submitted the palace to the UNESCO for inclusion into the World Heritage List in 2007. On June 23, 2013 it was proclaimed as world heritage site during the UNESCO meeting in Phnom Penh.Golestan Palace is currently operated by the Cultural Heritage Organization of Iran.
Golestan Palace Complex consists of 17 palaces, museums, and Halls. Almost all of this complex was built during 200 years of Qajar kings ruling. These palaces were used for many different occasions such as coronation and other important celebrations.