Susa
Also known as: Shushan · Susa archaeological complex · Mint of Susa
Susa was an ancient city in the lower Zagros Mountains about 250 km (160 mi) east of the Tigris, between the Karkheh and Dez Rivers in Iran.
Connections1
eastern terminus of the Royal Road
Susa was the major administrative center and the eastern end of the Royal Road, facilitating communication across the empire.