Shatt al-Arab

The Shatt al-Arab (Arabic: شط العرب; Persian: اروندرود) is a river of some in length that is formed at the confluence of the Euphrates and Tigris rivers in the town of al-Qurnah in the Basra Governorate of southern Iraq. The southern end of the river constitutes the Iran–Iraq border down to its mouth, where it discharges into the Persian Gulf. The Shatt al-Arab varies in width from about at Basra to at its mouth. It is thought that the waterway formed relatively recently in geological time, w…