長樂宮

Proper noun

 * 1)  Changle Palace (a Han Dynasty palace which was located in the ancient city of Chang'an)
 * 2)  Changle Palace (a Han Dynasty palace which was located in Luoyang)

Usage notes
By the Eastern Han Dynasty, the name of Changle Palace in Chang'an was changed to Yongle Palace, and became the official residence of the empress dowager.