Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Nīlagalla
Nīlagalla:1.NīlagallaA monastery in Ceylon,built by Udaya I.Cv.xlix.31.
2.Nīlagalla or NīlagiriA locality in the Malaya district of Ceylon,mentioned in the account of the campaigns of Parakkamabāhu I.Cv.lxx.14,16,20,83; lxxii.12.