Kösehasan is a neighbourhood in the municipality and district of Karayazı, Erzurum Province in Turkey.Mahalle , Turkey Civil Administration Departments Inventory. Retrieved 12 July 2023. Its population is 237 (2022).
History The settlement has borne the same name since 1928. In 2012, following the enactment of Law No. 6360, the legal status of all villages in Turkey was abolished. As a result, the village became a neighbourhood of the Karayazı municipality.
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