20 Biggest Metropolitan Areas in the World in 2015

Page 4 of 21

18. Istanbul

Estimated Population: 14 377 000+

Istanbul has been known by many names throughout history, including Constantinople. It has been a metropolis for at least a thousand years and continues to grow to date, taking the eighteenth spot on our list with close to fourteen million and three hundred and eighty thousand people and counting.

istanbul-799752_1280 Biggest Metropolitan Areas in the World in 2015

Page 4 of 21