Foça is a municipality and district of İzmir Province, Turkey. Its area is 251 km2, and its population is 34,946 (2022). The town of Foça is situated at about 69 km (43 mi) northwest of İzmir's city center on the Aegean coast. The district has a settlement and former municipality named Yenifoça, also along the shore and at a distance of 20 km (12 mi) from Foça proper. For this reason, Foça itself is locally often called as Eskifoça in daily parlance. The town is built on the site of the ancient Greek city of Phocaea.

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.