Which three nations do the Tigris and Euphrates rivers flow through?

The Tigris and Euphrates rivers flow through three primary nations: Turkey, Syria, and Iraq. They originate in the Taurus Mountains of eastern Turkey, then traverse through Syria and finally flow into Iraq, where they converge to form the Shatt al-Arab before emptying into the Persian Gulf. These rivers are crucial for agriculture and water supply in the regions they flow through.