Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Lankā Vihāra
Lankā vihāra:A monastery near Mahāgāma; it was near there that Kākavannatissa found Vihāradevī when she landed from the sea (Mhv.xxii.22). But this is probably a wrong reading. ; See MT.432,where the place is called Tolaka vihāra.