Turbessel

Turbessel (, or , , or ) is a fortress and Bronze Age tumulus in south-eastern Turkey, near the village of Gündoğan in the district of Oğuzeli, within Gaziantep Province.
History.
Bronze Age.
The site was occupied at the beginning of the 3rd millennium BC through the end of the 17th century BC, after which it was abandoned. It was located 50 km west of Carchemish.
Early Bronze.
By 2600 BC (EBIIIA) the site was about 56 hectares. It had burials showing the emergence of an elite class.
By 2450 BC (EBIIIB) it was a planned city.
First Intermediate Period.
In the EBIV, the city saw heavy destruction, but it was never abandoned.
Middle Bronze.
In the MBI, the city was rebuilt in a smaller scale.
In the MBII, the city saw major construction work.
Byzantine Period.
While the site had been occupied since the Bronze Age, the fort gained importance during the Byzantine Empire and came under control of local Armenian lords in the late 11th century. Baldwin I conquered the city in the winter of 1097, and it subsequently became a part of the County of Edessa. It was one of the main strongholds of Frankish counts such as Joscelin I. After the fall of Edessa to Zengi, it became the principal city of what remained of the County until it was eventually sold to the Emperor Manuel I Comnenus in 1150. It fell to Nur ed-Din's Muslims within the year.