Buddhist Dictionary of Pali Proper Names by G P Malalasekera
billasela
Billasela:A mountain in Ceylon.Vijayabāhu III.built,on its summit,a temple for the Tooth Relic (Cv.lxxxi.33; see also Cv.Trs.ii.138, n.4.).From there the Relic was removed by Parakkamabāhu II.to Jambuddoni. Cv.lxxxii.7.