The five most populous cities in Turkey are Istanbul, Ankara, Izmir, Bursa, and Trabzon. Istanbul is by far the largest city, with a population of over 14 million. Ankara is the second largest city, with a population of over 7 million. Izmir is the third largest city, with a population of over 5 million. Bursa is the fourth largest city, with a population of over 3 million. Trabzon is the fifth largest city, with a population of over 2 million.