Visakhapatnam (; formerly known as
Vizagapatam, also known as
Vizag,
Viśākha or
Waltair is the largest and most populous metropolitan city in the Indian state of Andhra Pradesh. It is between the Eastern Ghats and the coast of the Bay of Bengal. It is the second largest city on the east coast of India after Chennai, and the fourth largest in South India. It is one of the four smart cities of Andhra Pradesh selected under the Smart Cities Mission and is the headquarters of Visakhapatnam district. With an estimated output of $43.5 billion, it is the ninth largest contributor to India's gross domestic product as of 2016. Vizag is popularly knows as
shipbuilding capital of India due to presence of multiple shipyard such as Hindustan Shipyard, Naval Dockyard and being the central naval command of the east coast.