Buddhist Dictionary of Pali Proper Names by G P Malalasekera
ambuyyāna
Ambuyyāna:A monastery in Ceylon. Udaya I. (or Dappula) built in it the dwelling-house Dappulapabbata. Cv.xlix.30; trs. i.126 n.1. According to Cv.l.80,it was built not by the king but by Mahādeva. It was finished later by Sena I. Cv.l.80.