Adana, is a large city in southern Turkey. It is situated on the Seyhan River, 35 km (22 mi) inland from the Mediterranean Sea. The administrative seat of Adana province, which had a population of 2.274 million according to the official end-2022 estimates, the city itself had a population of 1,810,646 at that date, making it the fifth most populous city in Turkey.

The Seyhan River, alternatively known as Sarus, is the longest river of Cilicia and the longest of Turkey that flows into the Mediterranean Sea. The river is 560 km and flows southwest from its headwaters in the Tahtalı-Mountains in the Anti-Taurus Mountains to the Mediterranean Sea via a broad delta. Its main tributaries are Zamantı and Göksu, which unite in Aladağ, Adana to form the Seyhan River. The Zamantı River originates from the Uzun Plateau in Pınarbaşı, Kayseri and crosses Tomarza, Develi and Yahyalı districts in Kayseri.