1. Mahānāgavana. An open space in Ceylon, on the banks of the Mahāvālukagangā. It was three yojanas long and one wide and was the meeting place of the Yakkhas. The Buddha went there on his first visit to Ceylon, and in it was later built the Mahiyangana Thūpa. Mhv.i.22f.
2. Mahānāgavana. A park near Anurādhapura. It was there that the relics brought by Sumana for the Thūpārama were first received by Devānampiyatissa. Mhv.xvii.7, 22f.