Mahe or Mayyazhi, the Puducherry region on the Arabian Sea
Background
Mahe, known in Malayalam as Mayyazhi, is a region of the Union Territory of Puducherry situated on the estuary of the Mayyazhi river and the Arabian Sea. The regional administration describes it as a land titled the Eyebrow of the Arabian Sea, very small in extent, and as a tiny point on the geographical map of Kerala. Mahe lies 630 km away from Puducherry, from which it is governed. It is a former small French territory, and its institutions include an Ayurveda Medical College, the Indira Gandhi Polytechnic College, a Jawahar Navodaya Vidyalaya, a Kendriya Vidyalaya and the Mahatma Gandhi Government Arts and Science College.
In plain words
Estuary Mouth where a river meets the sea — A partly enclosed coastal water body where river water mixes with seawater.