Machilipatnam pronunciation is a city and a special grade municipality in the Krishna district, Andhra Pradesh, India. The town has existed since the 3rd century BCE when, according to Ptolemy, it was known as Maisolos. The Periplus of the Erythraean Sea calls it Masalia in the 1st century CE. The port is located on the southeastern, or Coromandel Coast, of India. Situated in the mouth of the River Krishna on the Bay of Bengal, the Masula port saw flourishing sea trade.