The Golestan Palace (Persian: کاخ گلستان, romanized: Kākh-e Golestān) is the former official royal Qajar complex in Tehran, Iran. One of the oldest historic monuments in the capital and a UNESCO World Heritage Site, the Golestan Palace consists of a group of eight palatial royal structures surrounded by a wall, today used mainly as museums, surrounded by an outer wall, which were once enclosed within the defensive walls of Tehran's citadel. Most of the royal buildings date back to the 19th centu