Cilicia is a geographical region of southern Anatolia in West Asia, extending inland from the northeastern coasts of the Mediterranean Sea. Cilicia borders Pamphylia to the west, Lycaonia and Cappadocia to the north, Commagene to the north-east, Syria to the east and the Mediterranean Sea to the south. Cilicia has a population ranging over six million, concentrated mostly at the Cilician plain. The region includes the provinces of Mersin, Adana, Osmaniye and Hatay.