Nellore district (officially: Sri Potti Sriramulu Nellore district), located in Coastal Andhra region, is one of the 13 districts of Andhra Pradesh. The population of the district according to the Census 2011 was 2,966,082 of which 29.07% were urban. Nellorecity is its administrative headquarters. The district is bordered by the Bay of Bengal to the east, Kadapa district to the west, Prakasam District to the north, Chittoor district and Thiruvallur district of Tamil Nadu to the south. The district is located between 13.30- 15.6 Northern latitude and 70.5-80.16 eastern longitude. The geographical area is 1307600 Hectares.
The district is under sub-agro climatic zone with an average rain fall of 700- 1000mm.It is endowed with rich soil suitable for agriculture. The soil comprises of black soil ( 23% ), 43% red soil, and 34% clay loamy. There are no perennial rivers in the district. The important rivers are Pennar, Kandaleru, Swarnamukhi.
ADMINSTRATIVE SETUP : There are 3 revenue divisions in the district. Kavali, Gudur and Nellore divisions and 46 mandals
RAINFALL: The Normal Rainfall of the District is 1080 mm. During the year 2010-11 the actual Rainfall received was 1080 mm.
LAND USE: The total Geographical area of the District is 13.08 lakh Hectares. Of this 20.09% is forest area. The rest is distributed among Barren and Uncultivable Land (10.56%) and Land put into Non Agricultural uses (18.68%). The net area sown forms 25.96% while cultivable waste and fallow (current and old) lands Constitute 17.75%.