Batticaloa is in the eastern coast of Sri Lanka on a flat coastal plain boarded by the Indian Ocean in the east occupies the central part of the eastern Sri Lanka. Its average elevation is around 5 meters. Scenic beauty of the Batticaloa is the Lagoons. Batticaloa district has three lagoons such as Batticaloa Lagoon, Valaichchenai Lagoon, and Vakari (Panichchankerni) Lagoon. Among these lagoon, Batticaloa Lagoon is the largest lagoon and has 56 km long 162 square km area, extending from Pankudaweli in North and Kalmunai in South.
There are several islands within the Batticaloa Lagoon such as Puliayantheevu, Buffaloa Island, Bone Island Many bridges are built across the lagoon connecting the landmasses and the islands.