 In the main, the region at various points of time corresponds to the northern and the central parts of Coastal Andhra region of Andhra Pradesh, including whole of the present-day districts of Guntur, Krishna, East Godavari, West Godavari, Visakhapatnam, Vijayanagaram and Srikakulam of Andhra Pradesh.It also included a part of the present day Prakasam district of Andhra Pradesh, parts of as Ganjam, Gajapati, Rayagada, Koraput, Nabarangapur and Malkangiri districts of Odisha and a few parts of Mulugu district (previously in Jayashankar Bhupalapalli) and Bhadradri Kothagudem district of Telangana.The region was invaded by the Bahmani Sultanate in 1471; in 1541 they conquered Kondapalli, and nine years later they extended their conquests over all Guntur and the districts of Masulipatam.