Its capital was the town of Amadiya (Amêdî), and it also included Akre, Shush, and Duhok, along with the Zebari lands along the Great Zab river..
[3]: 920 The name "Bahdinan" is still applied to the region inhabited by the Barwari, Doski, Gulli, Muzuri, Raykani, Silayvani, Sindi, and Zebari tribes.
In addition to this, there were tribal chieftains with formalized positions (for example, the chiefs of the Sindi and Silvane tribes needed confirmation from the ruler of Zakho).
The Sharafnama of Sharaf al-Din Bitlisi contains an account of the principality's history for two centuries, from the time of the Timurid ruler Shah Rukh in the 1400s until 1596.
The Bahdinan amir Hasan, who was a client of the Safavid shah Isma'il I, expanded the principality to include Duhok and the Sindi territory north of Zakho.
[3]: 920 Threatened by the expansionist and centralizing efforts of the Ottoman and Safavid empires, Bahdinan princes were drawn into prolonged confrontations with these two major rival powers.