Ziyaret Tepe is an archaeological site located along the Tigris, south of Diyarbakir, Turkey.
It was excavated between 1997 and 2013 by an international team. It shows a continuous occupation since the beginning of the Bronze Age until about the 10th century AD.
Some cuneiform tablets were found there and justify the name of Tasha, Tusha, Tushan or Tuska.
Tushan is extensively mentioned in the annals of Ashurnasirpal II as the main city takeover in the country of Nirbu. The Neo-Assyrian king has demolished the old and built a new wall, then founded a palace. And it is from this city that has conducted campaigns, he brought back in this place the spoils of countries of Nirbu of the Kashiari Mountains, as well as those of Nairi, Subria and Bit-Zamani who were not far. This location has confirmed that, in the Neo-Assyrian texts, the Kashiari Mountains were the present Tur Abdin. Moreover, during one of his campaigns, he went through Tilla before reaching Tushan.
Tusha is probably the town called "Tazuwa" in the archives of Mari. IV62 evokes it as the destination of a transport grain, in the campaigns of Sara.
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My notes of veracity :
The site of Ziyaret Tepe was the city of Tusha or Tushan: 4/5