Tigris

The Tigris is the eastern of the two great rivers that define Mesopotamia, the other being the Euphrates. The river flows south from the mountains of the Armenian Highlands through the Syrian and Arabian Deserts, and empties into the Persian Gulf.
  • Country: Turkey, Syria, Iraq, Iran
  • Source region: Taurus Mountains
  • Cities: Elazığ, Diyarbakır, Mosul, Baghdad
  • Source: Lake Hazar
  • Mouth: Shatt al-Arab
Data from: en.wikipedia.org