Nalgonda district is a district in the Telangana state of India. It has a population of 3,483,648, of which 13.32% is urban as of 2011. The district shares boundaries with Suryapet, Rangareddy, Bhuvanagiri, and Nagarkurnool districts, and with the state boundary of Andhra Pradesh.
Nalgonda was earlier referred to as Neelagiri, the name given by some Rajput rulers and the name was changed to Nallagonda only after its conquest by Allauddin Bahaman Shah, Bahamani king.
The district is spread over an area of 2,449.79 square kilometres (945.87 sq mi).
In 2006 the Indian government named Nalgonda one of the country's 250 poorest districts (out of a total of 640). It is one of the nine districts in Telangana currently receiving funds from the Backward Regions Grant Fund Programme (BRGF).
The district is divided into three revenue divisions: Nalgonda, Miryalaguda, and Devarakonda. These are sub-divided into 31 mandals and has 565 villages. Prashanth Jeevan Patil is the present collector of the district.
The below table categorizes the mandals into their respective revenue divisions in the district: