The city of İzmir is composed of nine metropolitan districts (Balçova, Bornova, Buca, Çiğli, Gaziemir, Güzelbahçe, Karşıyaka, Konak, and Narlıdere), each with its own distinct features and temperament. The total area of the nine districts is 855 km2 (330 sq mi) and together these districts constitute the area of İzmir Metropolitan Municipality headed by the mayor of İzmir. İzmir also incorporates the nearby ancient cities of Ephesus, Pergamon, Sardis and Klazomenai, and centers of international tourism such as Kuşadası, Çeşme, Mordoğan and Foça.