Uzunkaş (former Apsun) is a neighbourhood in the municipality and district of Yenişehir, Mersin Province, Turkey.Mahalle , Turkey Civil Administration Departments Inventory. Retrieved 12 July 2023. Its population is 295 (2022). The village is north west of Mersin city center. The village is situated in Toros Mountains. The main agricultural products are citrus and other fruits.
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