Nasiriyah, also spelled Nassiriya or Nasiriya, is a city in Iraq, the capital of the Dhi Qar Governorate. It lies on the lower Euphrates, about 360 km south-southeast of Baghdad, near the ruins of the ancient city of Ur. Its population in 2018 was about 558,000, making it the ninth-largest city in Iraq. It had a diverse population of Muslims, Mandaeans and Jews in the early 20th century; today its inhabitants are predominantly Shia Muslims.