Mahabubnagar is the largest district in Telangana in terms of area (18432.00 sq. km) covered. It is also known as Palamoor. The name was changed to Mahabubnagar in honour of Mir Mahbub Ali Khan Asaf Jah VI, the Nizam of Hyderabad (1869-1911 AD). The district was situated between 77° 15' and 79° 15'E, of the eastern longitudes and 15° 55' and 17° 20'N, of northern latitudes. Mahabubnagar is southern district of Hyderabad state under Nizam and bordered with River Krishna in the south and surrounded by the Guntur District of AP to the east, Kurnool district of AP to the south, Nalgonda and Ranga Reddy Districts to the north and Gulbarga and Raichur Districts of the state of Karnataka to the West.