Gaziantep is the capital city of the Gaziantep Province in Turkey. It is amongst the oldest continually inhabited cities in the world. The city has two central districts under its administration, Şahinbey and Şehitkamil, and the metropolitan area has a total population of 1.341.054 (as of 2010) Address-based population survey 2008. ion. The number of large industrial businesses established in the comprise four percent of Turkish industry in general, while small industries comprise six percent. Also, it has the largest organized industrial area in Turkey and holds first position in exports and imports. The city is centre of the Green olive oil-based Nizip Soap industry.