Eylül University (DEÜ) is a university in İzmir, Turkey. It was founded in 1982 and is organized in 15 faculties. DEU is the first university which applied the problem-based learning method in Turkey, beginning in the School of Medicine in 1997.

The Turkish Capture of Smyrna, or the Liberation of İzmir marked the end of the 1919–1922 Greco-Turkish War, and the culmination of the Turkish War of Independence. On 9 September 1922, following the headlong retreat of the Greek army after its defeat at the Battle of Dumlupınar and its evacuation from western Anatolia, the Turkish 5th Cavalry Corps under the command of Major-General Fahrettin Altay within Turkish Army under the command of Mustafa Kemal Pasha marched into the city of Smyrna, bringing three years of Greek occupation to an end.