Gediz River
In 2019, the city of İzmir had a population of 2,972,900, while İzmir Province had a total population of 4,367,251. İzmir's metropolitan area extends along the outlying waters of the Gulf of İzmir and inland to the north across the Gediz River Delta; to the east along an alluvial plain created by several small streams; and to slightly more rugged terrain in the south.