Osmaniye Province is a province in south-central Turkey. It was named Cebel-i Bereket in the early republic until 1933, when it was incorporated into Adana Province. It was made a province again in 1996. Its area is 3,320 km2, and its population is 559,405 (2022). The province is situated in Çukurova, a geographical, economical and cultural region. The capital of the province is Osmaniye. Other major towns include Kadirli and Düziçi.

Adana Province is a province and metropolitan municipality of Turkey located in central Cilicia. The administrative seat of the province is the city of Adana, home to 78.25% of the residents of the province. Its area is 13,844 km2, and its population is 2,274,106 (2022), making it the sixth most populous province in Turkey. It is also closely associated with other Cilician provinces of Mersin, Osmaniye, and (northern) Hatay.