Seferihisar is a municipality and district of İzmir Province, Turkey. Its area is 375 km2, and its population is 54,993 (2022). Seferihisar district area borders on other İzmir districts of Urla to the west and Menderes to the east, and touches İzmir's westernmost metropolitan district of Güzelbahçe in the north. Seferihisar town center is situated slightly inland at an altitude of 28 m and the urban area extends towards the Aegean Sea. The neighborhood Sığacık has its own port and made a name as a tourism resort. The wide area of the district center partly accounts for the high number of the population and an urbanization rate of only 51%, and the general impression observed is rather rural in some of its sections. Both the center town and the district as a whole preserves an overall outlook of a pleasant resort area bearing typical Aegean characteristics and it is estimated the population reaches the level of 150,000 people during the touristic season. Nevertheless, the district's economy is still largely based on agriculture, with the production of tangerines and satsumas standing out, and only increasingly on tourism, with the presence of several housing projects or vacation villages, pensioners opting to settle in the region due to its quiet charm and under the impetus of a university campus that is in phase of being built. At a distance of 45 km (28 mi) from İzmir center, (Konak), the connections with the metropolis are made easily, especially once reached the six-lane highway in Urla. Seferihisar is where the ancient city of Teos is located and its highly interesting await further research and discoveries. The district's literacy level is 99%.

İzmir Province is a province and metropolitan municipality of Turkey in western Anatolia, situated along the Aegean coast. Its capital is the city of İzmir, which is in itself composed of the province's central 11 districts out of 30 in total. To the west, it is surrounded by the Aegean Sea, and it encloses the Gulf of Izmir. Its area is 11,891 square kilometres, and its population is 4,462,056 (2022). Neighboring provinces are Balıkesir to the north, Manisa to the east, and Aydın to the south. The traffic code of the province is 35.