Karaburun is a municipality and district located in the İzmir Province of western Turkey. Covering an area of 421 km2, it has a population of approximately 12,200 as of 2022. The district's administrative zone is bordered by Urla and Çeşme to the south and faces the Greek island of Chios to the west.
The geographic area of the district roughly corresponds to the Karaburun peninsula, which extends north of the tourism resorts of Çeşme and west of the city of İzmir. It represents one of the westernmost points of Anatolia. The town of Karaburun is situated near the northern tip of the peninsula, where it monitors the entrance to the Gulf of İzmir across from the town of Foça.