Euphrates Euphrates The Euphrates (; Sumerian: "Buranuna"; "Purattu"; "al-Furāt"; "Pǝrāt"; : "Yeprat"; "Perat"; ; ) is the longest and one of the most historically important rivers of Western Asia. Together with the Tigris, it is one of the two defining rivers of Mesopotamia (the "Land between the Rivers"). Originating in eastern Turkey, the Euphrates flows through Syria and Iraq to join the Tigris in the Shatt al-Arab, which empties into the Persian Gulf. The Ancient Greek form "Euphrátēs" (, as if from Greek εὖ "good" and ϕράζω "I announce or declare") was adapted from Old Persian 𐎢𐎳𐎼𐎠𐎬𐎢 "Ufrātu", itself from Elamite
Sajur River join the Euphrates on Syrian soil – the other two being the Balikh and the Khabur. The Sājūr is also the only river in Syria that enters the Euphrates on its right bank; both the Balikh and the Khabur flow into the Euphrates on the left bank. The Sājūr drains a total area of . The Syrian part of the Sājūr basin – the Manbij Plain – has been particularly well-studied. This area is bounded on the north by the Syro–Turkish border and extends as far south as Manbij. To the west, the Manbij Plain is bordered by basalt outcrops;