Gaziantep is the capital of Gaziantep Province, in the western part of Turkey’s Southeastern Anatolia Region, some 185 kilometres (115 mi) east of Adana and 97 kilometres (60 mi) north of Aleppo, Syria. It is probably located on the site of ancient Antiochia ad Taurum, and is near ancient Zeugma.
The city has two urban districts under its administration, Şahinbey and Şehitkamil. It is the sixth-most populous city in Turkey and one of the oldest continuously inhabited cities in the world.
Source : Wikipedia