İzmir is a major city located on the Aegean coast of Anatolia in Turkey. It serves as the capital of İzmir Province and is recognized as the largest metropolitan area on the Aegean Sea. The city is the third most populous urban center in the country, following Istanbul and Ankara.
The city's geography extends along the outlying waters of the Gulf of İzmir and reaches inland to the north across the Gediz River Delta. To the east, it covers an alluvial plain formed by several small streams, while the terrain becomes more rugged toward the south. The region experiences a Mediterranean climate.
As of the 2025 end-of-year estimate, İzmir city is home to approximately 3.5 million inhabitants, while the broader İzmir Province has a total population of 4,504,184.