The North Coastal Plain comprises the deltas of the Subarnarekha and the Budhabalanga rivers and bears evidences of marine transgressions. It stretches along the coast of the Bay of Bengal having the maximum width in the Middle Coastal Plain (the Mahanadi Delta), narrow in the Northern Coastal Plain (Balasore Plain) and narrowest in the Southern Coastal Plain ( Ganjam Plain). Therefore, the coastal plain of Odisha is called the 'Hexadeltaic region' or the 'Gift of Six Rivers'. This region is the combination of several deltas of varied sizes and shapes formed by the major rivers of Odisha, such as the Subarnarekha, the Budhabalanga, the Baitarani, the Brahmani, the Mahanadi, and the Rushikulya. from the River Subarnarekha in the north to the River Rushikulya in the south. This region stretches from the West Bengal border, i.e. The 75 meter contour line delimits their western boundary and differentiates them from the Middle Mountainous Region. The Odisha Coastal Plains are the depositional landforms of recent origin and geological belong to the Post-Tertiary Period. On the basis of homogeneity, continuity and physiographic characteristics, Odisha has been divided into five major morphological regions : the Odisha Coastal Plain in the east, the Middle Mountainous and Highlands Region, the Central plateaus, the western rolling uplands and the major flood plains. According to the 1991 census, it has a total population of 31,512,070 (3.73 percent of the total population of India) out of which about 16,237,000 are male and 15,275,070 are female. Accounting about 4.87 of the total area of India. It extends over an area of 155,707 square kms.

It is bounded by the Bay of Bengal on the east Chhattisgarh on the west and Andhra Pradesh on the south. Odisha is one of the States of India.It is located between the parallels of 17.49'N and 22.34'N latitudes and meridians of 81.27'E and 87.29'E longitudes.

Bhulekh west bengal