Kozan, formerly Sis, is a municipality and district of Adana Province, Turkey. Its area is 1,903 km2, and its population is 132,703 (2022). It is 68 kilometres northeast of Adana, in the northern section of the Çukurova plain. The Kilgen River, a tributary of the Ceyhan, flows through Kozan and crosses the plain south into the Mediterranean. The Taurus Mountains rise up sharply behind the town.

Çukurova or the Cilician Plain, is a large fertile plain in the Cilicia region of southern Turkey. The plain covers the easternmost areas of Mersin Province, southern and central Adana Province, western Osmaniye Province and northwestern Hatay Province.