Diyarbakır is one of the largest cities in southeastern Turkey. Situated on the banks of the River Tigris, it is the administrative capital of the Diyarbakır Province and with a population of about 843,460 it is the second largest city in Turkey's South-Eastern Anatolia region, after Gaziantep. Within Turkey. The population of Diyarbakır is made up predominantly of Kurdish people.
The name of the city is inscribed as Amid on the sheath of a sword from the Assyrian period, and the same name was used in other contemporary Syriac and Arabic works. The Romans and Byzantines called the city Amida. Among the Artukid and Akkoyunlu it was known as "Black Amid" (Kara Amid) for the dark color of its walls, while in the Zafername, or eulogies in praise of military victories, it is called "Black Fortress" (Kara Kale). In the Book of Dede Korkut and some other Turkish works it appears as Kara Hamid.