Babylon Province (Arabic: بابل Bābil) (or Babil Governorate) is a province in central Iraq. It has an area of 5,603 square kilometres (2,163 sq mi), with an estimated population of 1,385,783 people in 2003. The provincial capital is the city of Hillah, which lies opposite the ancient city of Babylon (بابل), on the Euphrates river.