Gaziantep Province (Turkish: Gaziantep ili) is a province in south-central Turkey. Its capital is the city of Gaziantep which had a population of 853,513 as of 2000. Its neighbours are Adıyaman at north, Şanlıurfa at east, Syria and Kilis at south, Hatay at southwest, Osmaniye at west and Kahramanmaraş at northwest.