Baghdad is the capital and largest city in Iraq. It is located on the banks of the Tigris in central Iraq. The city has an estimated population of 8 million. It ranks among the most populous and largest cities in the Middle East and the Arab world and constitutes 22% of Iraq's population. Baghdad is a primary financial and commercial center in the region.
Founded in 762 AD by Al-Mansur on a site with settlement dating back to at least the Neo-Babylonian period, Baghdad became the capital of the Abbasid Caliphate and its most notable development project. The city evolved into an intellectual and cultural center.