Izmir /ˈɪzmɪə/ noun4 •A province and metropolitan municipality in western Anatolia in Turkey, along the Mediterranean coast. •A province and metropolitan municipality in western Anatolia in Turkey, along the Mediterranean coast. •A major port city, the capital of İzmir Province, Turkey, geographically continuous with the ancient city of Smyrna.It may be Turkey’s third-largest city in terms of population, but in the congestion stakes İzmir has to be challenging for top honours. — 2009 •A major port city, the capital of İzmir Province, Turkey, geographically continuous with the ancient city of Smyrna.