Amu Darya.
The river which bordered the eastern Persian Empire was the Indus.
No
Indus River.
King Darius I extended the Persian Empire into today's Pakistan (west of the Indus River).
The Persian Empire
The Indus River.
King Darius I.
The Indus River.
The Indus River.
The Danube River and the Rhine River form the border of much of the northeastern part of the Roman Empire. These rivers provided natural barriers that helped protect the Empire from invasions from various tribes and armies.
Nile, Tigris, Euphrates were the largest, but there were dozens of others visible in a map of the Middle East, Pakistan and Central Asia.
At its largest extent, the Persian Empire reached the river Indus (in present day Pakistan). This was not always the eastern border as the size of the empire varied. Save