I'm pretty sure it's the Euphrates because I just learned about the Euphrates and Tigris rivers.
The Euphrates River
The River Evrotas
The Euphrates River
what mountain range is located east of the Tigris river in the southwestern part of Iran
The Euphrates River
That is the Euphrates.
Tigris River and Euphrates River
AssyriaAssyria
Euphrates River
The headwaters of the Tigris River is in Turkey, and the Tigris River flows through Iraq to the Persian Gulf.
That is the Euphrates.
It's