Ortahisar is a municipality and district of Trabzon Province, Turkey.[2] Its area is 235 km2,[3] and its population is 335,628 (2022).[1] The district and municipality Ortahisar was created at the 2013 Turkish local government reorganisation from the former central district of Trabzon Province.[4][5] It covers the city of Trabzon and the surrounding countryside. On 31 March 2024, Ahmet Kaya (CHP) was elected mayor.
In April 2021, archaeologists announced the discovery of Roman and Byzantine period archeological remains. The southern part of the wicker columns and fortifications of the Roman emperor Hadrian's period, trench walls of Byzantine period dating back to 1460 have been discovered. Remains of Roman tiles and pottery were also discovered during the excavations. According to the Trabzon City Municipality, the excavation area is planned to be turned into an open-air museum.[6][7][8]