Coastal Andhra , is a region in the state of Andhra Pradesh, India. This region was part of Madras State before 1953 and Andhra State from 1953 to 1956. According to the 2011 census, it has an area of which is 57.99% of the total state area and a population of 34,193,868 which is 69.20% of Andhra Pradesh state population. This area includes the coastal districts of Andhra Pradesh between the Eastern Ghats and the Bay of Bengal, from the northern border with Odisha to south of the delta of the Krishna River.