Medo-Persian Kingdom: Kings of Dwelt in Royal Palaces
Source: TTT
Esther 1:2
In those days King Xerxes sat on his royal throne in the citadel of Susa.
Esther 8:14
The couriers rode out in haste on their royal horses, pressed on by the command of the king. And the edict was also issued in the citadel of Susa.