Diyala River - Citizendia

The Diyala River (Arabic: نهر ديالى‎, Persian: دیاله, Kurdish: Sirwan, سيروان) is a river and tributary of the Tigris that runs through Kurdistan Iran and Iraq. Arabic (ar الْعَرَبيّة (informally ar عَرَبيْ) in terms of the number of speakers is the largest living member of the Semitic language The Kurdish language (Kurdish Kurdî or کوردی is a term used for the language spoken by Kurds. "Riverine" redirects here For the use of that term in Maritime geography, see there The Tigris is the eastern member of the two great Rivers that define Mesopotamia, along with the Euphrates, which flows from the mountains of southeastern History See also History of the Kurdish people Ancient period See also Hurrians, Guti, Mannaeans, Medes For a topic outline on this subject see List of basic Iran topics. For a topic outline on this subject see List of basic Iraq topics. It covers a total distance of 445 km (275 miles).

It rises near Sanandaj, in the Zagros Mountains of Iran. Sanandaj or Sine ( سنندج, Sanandaj; Kurdish: سنه, Sine) is the capital of the Iranian province The Zagros Mountains (جبال زاجروس (رشته كوههاى زاگرس ( Sorani Kurdish: Zagros - زاگرۆس make up Iran 's and Iraq 's It then descends through the mountains, where for some 32 km it forms the international border between the two countries. It finally feeds into the Tigris below Baghdad. Baghdad (بغداد) is the Capital of Iraq and of Baghdad Governorate, with which it is also coterminous

Its origin in Kurdistan and Iran is called Sirwan that means roaring sea, shouting river, it is a name of an ancient city near Ilam city in Iran too. Navigation along the upper reaches of the Diyala is not possible because of its narrow defiles, but the river's valley provides an important trade route between Iran and Iraq. Defile is a geographic term for a narrow pass or gorge between mountains or hills

The river is controlled by a dam on the lower Diyala valley, which controls floods and irrigates the area northeast of Baghdad.

The Diyala Governorate in Iraq is named after the river. Diyala (ديالى is one of the constituent Governorates of the nation of Iraq.

sirwan the name come from "se" and "rawan" which mean three soil because the river contain three small rivers so they call it "sirwan"