Andhra Pradesh has a coastline of 974 km (605 mi) – the second-longest coastline among the states of India, after Gujarat – with jurisdiction over almost 15,000 km2 of territorial waters.[3][14] The state is bordered by Telangana in the north-west, Chhattisgarh and Odisha in the north-east, Karnataka in the west, Tamil Nadu in the south, and to the east lies the Bay of Bengal. The small enclave of Yanam, a district of Puducherry, lies to the south of Kakinada in the Godavari delta on the eastern side of the state.
The state is made up of the two major regions of Rayalaseema, in the inland southwestern part of the state, and Coastal Andhra to the east and northeast, bordering the Bay of Bengal.[16][17] The state comprises thirteen districts in total, nine of which are located in Coastal Andhra and four in Rayalaseema. The largest city and commercial hub of the state are Visakhapatnam, located on the Bay of Bengal, with a GDP of US$43.5 billion; the second largest city in the state is Vijayawada, located on the banks of the Krishna River, which has a GDP of US$3 billion (as of 2010).[18] The economy of Andhra Pradesh is the ninth-largest state economy in India with ₹8.10 lakh crore (US$120 billion) in gross domestic product and a per capita GDP of ₹144,000 (US$2,100).[5] Andhra Pradesh ranks twentieth among Indian states in human development index.