The Tissamaharama Raja Maha Viharaya is a Buddhist temple in Tissamaharama, Sri Lanka. It was built in the 2nd century BC by King Kavan Tissa of Ruhuna (Southern Sri Lanka). The site was consecrated by Lord Buddha himself, who spent some time in meditation there with 500 arhats (individuals who have reached enlightenment). The Tissamaharama Dagoba which is situated in the premises of Tissamaharama Raja Maha Viharaya is one of the largest stupas in Sri Lanka. A stupa is a Buddhist dome-shaped religious monument found largely on the Indian subcontinent and also called a dagoba in Sri Lanka.