Golkonda

Golconda, also known as Golkonda or Golla konda ("shepherd's hill"), a ruined fort of Southern India and capital of medieval Golconda Sultanate (c.1518–1687), is situated 11 km west of Hyderabad. It is also a mandal of Hyderabad District. The region is universally famous for the mines that have produced the world's most famous and coveted gems, including the Hope Diamond, The Eye of the Idol (aka the Nassak Diamond).

• http://en.wikipedia.org/wiki/Golkonda