In the Indian state of Andhra Pradesh, Visakhapatnam (/vɪˊsɑ̞kəˈpʌtnəm/), originally called Vizagapatam[, sometimes called Vizag, Viśākha, or Waltair, is the biggest and most populated metropolitan area. It lies between the Bay of Bengal shore and the Eastern Ghats.It is the fourth biggest city in South India and the second largest on the east coast of India, behind Chennai. It is the district headquarters of Visakhapatnam and one of the four Andhra Pradesh smart cities chosen under the Smart Cities Mission [20]. As of 2016, its estimated output was $43.5 billion, making it the ninth largest contributor to India’s GDP.