The Palace of H (also known as the Palace of Artaxerxes I) is one of the palaces of Persepolis . It’s located on the west of Hadish Palace. The engraved stairs on both sides are partially destroyed. According to a remained written, the main staircase belongs to the building which Xerxes began it and Artaxerxes I had been completed it. The western and southern edges of main building had been denticulate, with horns and heads of bulls.