Atadage was constructed by King Vijayabahu I to place the Sacred Tooth Relic in the 11th century. It is located in Polonnaruwa District of North Central Province, Sri Lanka. The name “Atadage” has the meaning of “house of eight relics”. What remains here today are the foundation and 54 stone pillars. The Tooth Relic has been kept on the upper floor made out of wood on top of these stone pillars.