Uttarandhra

Uttarandhra is a sub-region consisting of three north Coastal Andhra districts of the Indian state of Andhra Pradesh. It is also referred as Kalingandhra. The Uttarandhra region comprises the districts of Srikakulam District, Vizianagaram District, Visakhapatnam District. The region is in the extreme Northeast of Andhra Pradesh. The region is skirted to a distance by Kandivalasagedda, Vamsadhara and Bahuda at certain stretches of their courses white a line of heights of the great Eastern Ghats run from North East. East Godavari District flanks in the south and west while Odisha bounds it on the north and Bay of Bengal on the East. Visakhapatnam is the largest city of the region in terms of population and area.

Geography

South West Monsoon : 1000–1100 mm. Temperatures range from Max. 33-36 °C & Min. 26-27 °C. Red soils with clay base,Pockets of acidic Soils, laterite soils, Soils with PH 4-5.

Rivers

Nagavali River rises in the eastern slopes of the Eastern Ghats near Lakhbahal in the Kalahandi district of Odisha at an elevation of about 1,300 metres.The total length of the river is about 256 km, of which 161 km are in Odisha and the rest in Andhra Pradesh. The catchment area of the basin is 9,510 square km. Nagavali is an interstate river with 4462 km2 and 5048 km2 river basin area located in Odisha and Andhra Pradesh respectively. The river basin receives 1000 mm average rain fall annually. The uplands of the river basin are hilly areas with predominantly tribal populated. It drains parts of the Kalahandi, Rayagada and Koraput districts of Odisha and Srikakulam, Vizianagaram and Visakhapatnam districts of Andhra Pradesh.