Golkonda Fort Koh-i-Noor, Hydrabad, Telengana

Golkonda, also known as Golconda, Gol konda ("Round shaped hill"), or Golla konda, (Shepherd's Hill) is a citadel and fort in Southern India and was the capital of the medieval sultanate of the Qutb Shahi dynasty(c.1518–1687), is situated 11 km (6.8 mi) west of Hyderabad. It is also a tehsil of Hyderabad district, Telangana, India.
The region is known for the mines that have produced some of the world's most famous gems, including the Koh-i-Noor, the Hope Diamond, Nassak Diamond and the Noor-ul-Ain.