İzmir is the third most populous city in Turkey, after Istanbul and Ankara. It is on the Aegean coast of Anatolia, and is the capital of İzmir Province. In 2019, the city of İzmir had a population of 2,965,900, while İzmir Province had a total population of 4,367,251. Its built-up area was home to 3,209,179 inhabitants. It 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.