Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Mahāgāmanāga Vihāra
Mahāgāmanāga Vihāra:A monastery in Rohana where Vohārika-Tissa crowned the thūpa with a parasol (Mhv.xxxvi.34; MT.662).The vihāra is probably identical with the Nāgamahā vihāra,built by Mahānāga (q.v.).