Wikipedia
Abhayavapi
Abhayavapi ( Sinhalese: ) or commonly Abhaya Wewa ( Sinhalese: ) is a reservoir built by King Pandukabhaya who ruled in Anuradhapura from 437 BC to 367 BC, after constructing the city. This is now popularly known as Basawakkulama ( Sinhalese: ) tank which is not the original name.