Iran - Roman Geek

Iran, also known as Persia, is a country in the Middle East. The capital is Tehran.
It has a border with Iraq, Turkey, Azerbaijan, Armenia, Turkmenistan, Afghanistan, Pakistan and the Caspian Sea.

Iran was Parthia, also known as the Parthian Empire (247 BCE-224 CE), which was located in modern Iran, Iraq and Eastern Turkey, with its capital city at Ctesiphon.
It then became the Sassanid Empire (224-651 CE).
Parthia controlled the Silk Road between China and the Roman Empire until it was replaced by the Sassanid Empire (224-651 CE).
The Parthians and the Romans remained antagonists throughout the Roman Period, with both sides struggling for control of Armenia.
The Roman Empire kept 8 Legions in the East to deter invasion.
There were over 10 major wars between the Roman Empire and the Parthian Empire.

Shushtar in Iran, was known as Susa during the Parthian Empire.
In 260 CE at the Battle of Edessa, the Emperor Valerian became the only Roman Emperor to be taken captive and die in captivity.
The Persian King, Shapur I, used the captured Roman Legionaries to build a Roman Dam here called Band-e Kaisar.
In 266 CE the Legionaries also built the nearby city of Bishapur, in the Province of Fars, where they, and Valerian, then lived. The Legionaries built a Palace for Shapur I, with Roman Mosaics.

Shushtar in Iran holds the easternmost Roman Monuments:
- Band-e Kaisar
  - This is a combined Roman Bridge and Dam built by the captured Roman Legionaries.
- Bishapur
  - This was a Roman city where Valerian lived, also built by the captured Roman Legionaries.

Shushtar Historical Hydraulic System, Iran