What are the river that start in turkey and travel through Iraq?

The Tigris River originates in the mountains of eastern Turkey and flows southeast through Iraq before joining the Euphrates River to form the Shatt al-Arab waterway, which empties into the Persian Gulf.

Euphrates River:

The Euphrates River also begins in Turkey and runs parallel to the Tigris River through Iraq. Both rivers have played a vital role in the development of ancient civilizations, including the Sumerian, Akkadian, Babylonian, and Assyrian civilizations, and continue to be important sources of water and fertile land for modern-day Iraq.