Gaziantep, previously and still informally called Antep, is a city in southeast Turkey and among the oldest continuously inhabited cities in the world. The city is located 185 kilometres northeast of Adana and 97 kilometres north of Aleppo, Syria. The city has two urban districts under its administration, Şahinbey and Şehitkamil. It is the sixth most populous city in Turkey. As of 2011, the city of Gaziantep had a population of 1,376,352 and its metropolitan municipality 1,393,289.