The largest city by population (including surrounding urban areas) is Cairo. The top 10 largest Middle East cities as at the latest available information in early 2020 are: 1. Cairo (Egypt) 20.9 million 2. Istanbul (Turkey) 15.07 million 3. Tehran (Iran) 9 million 4. Riyadh (Saudi Arabia) 7.07 million 5. Baghdad (Iraq) 6.7 million 6. Ankara (Turkey) 5.4 million 7. Alexandria (Egypt) 5.2 million 8. Izmir (Turkey) 4.2 million 9. Amman (Jordan) 4.0 million 10. Jeddah (Saudi Arabia) 3.9 million