Nineveh or Ninawa Governorate is a governorate in northern Iraq. It has an area of 37,323 km2 and an estimated population of 2,453,000 people as of 2003. Its largest city and provincial capital is Mosul, which lies across the Tigris river from the ruins of ancient Nineveh. Before 1976, it was called Mosul Province and included the present-day Dohuk Governorate. The second largest city is Tal Afar, which has an almost exclusively Turkmen population.