What was the name of the imperial palace in the Sui Dynasty?

At the beginning of the founding of the Tang dynasty, the quartet was undecided, and everything remained to be decided. After Tang Gaozu made Chang 'an its capital, it still followed the imperial palace of Sui Dynasty-Daxing Palace, which was renamed Taiji Palace after Tang Ruizong acceded to the throne. This magnificent palace complex is located in the northernmost part of Chang 'an, also known as Jingda Inner and West Inner. In fact, it is the floorboard of Taiji Palace, Dongfang Palace and Yeting Palace.