Located in Longshou Plain north of Xi'an City, Shaanxi Province, the Daming Palace was the grandest and most significant palace complex in Chang'an City during Tang Dynasty.

Built in the eighth year of Zhenguan (634), the Daming Palace had an old name "Yong'an Palace", which was renamed the next year. In 662, Emperor Gaozong ordered to build an extension to the palace and renamed it into Penglai Palace, and moved into the palace to hold court the next year. In 670, the palace had a new name "Hanyuan Palace", which then resumed its original name "Daming Palace" in 701. Later, under the ravage of three wars, the palace was reduced to ruins.

Ever since the reign of Emperor Gaozong, the Daming Palace became the major residence of emperors and place of court conference, which revealed the highest accomplishment of architectural art of the time. The palace layout was original and magnificent, with a total circumstance of 7.6 kilometers and an area of 3.2 square kilometers, consisting of Hanyuan Hall, Xuanzheng Hall, Linde Hall, Zichen Hall and Penglai Island.