Poḷonnaruwa is the main town of Polonnaruwa District in North Central Province, Sri Lanka. Kaduruwela area is the Polonnaruwa New Town and the other part of Polonnaruwa remains as the royal ancient city of the Kingdom of Polonnaruwa. The Ancient City of Polonnaruwa has been declared a World Heritage Site.

The vast artificial tank of ParakramaSamudraya reservoir (Sea of Parakrama) covers an area of 23 square km and was the source of the city is water.