Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Pāsānadīpa
Pāsānadīpa:A vihāra in Rohana,built by Mahādāthika Mahānāga,who gave to it a tract of land spreading for half a league round in honour of a sāmanera who lived there and had given the king a draught of water (Mhv.xxxiv.91).Silādātha heard the Elder of this vihāra preach the sacred texts,and,very pleased with him,built for him the Rohana-vihāra.Cv.xlv.53.