Iraq's second-largest city is BASRA, which is located in the southern part of the country. It is an important port city and has a population of around 2.5 million people. Mosul is Iraq's third-largest city, located in the northern part of the country. It is the capital of Nineveh Governorate and has a population of around 1.8 million people. Both cities are important economic and cultural centers in Iraq.