Shushtar (Shooshtar) is a city in and the capital of Shushtar County, Khuzestan Province, Iran.
Shushtar is an ancient fortress city, approximately 92 kilometres (57 mi) away from Ahvaz, the centre of the province.
In the Elamite times Shushtar was known as Adamdun. In the Achaemenian times its name was Šurkutir. The modern name, Shushtar, is connected with the name of another ancient city, Susa (or Shush, in Persian pronunciation), and means “greater (or better) than Shush.”
Shushtar has a hot semi-arid climate with extremely hot summers and mild winters.