Wikipedia
Sainthamaruthu ( Tamil: சாய்ந்தமருது, Sinhala: සායින්දමරුදු) is one of a dense city in Sri Lanka with a population of 25,412 and is located on the east coast of Ampara District of Eastern Province, Sri Lanka. Sainthamaruthu is a developing city with strengths in the education, business, agriculture, fisheries, sports, arts, culture and religion and this is the only city of Sri Lanka with hundred percentage of Muslims.
Sainthamaruthu is located in a middle part of some other villages such as Sammanthurai on the western, Kalmunai on the Northern, Karativu on the southern and the eastern bordered with bay of Bengal.
Sainthamaruthu is highly urbanized and congested due to several reasons;increasing commercial activities in the main area of the village, the eastern site is potential for fishing and western site is fully engaged with paddy cultivation.
There is a lagoon which is used by deep sea fisherman as anchorage to keep their boards.