Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Sirīsavatthu
Sirīsavatthu:A city of the Yakkhas in Ceylon (Tambapannidīpa) (See the Valāhassa Jātaka; cf.Mhv.vii.32).
According to the Mahāvamsa Tīkā (MT.259),at the time of Vijaya’s arrival in Ceylon,the chief Yakkha of the city was Mahākālasena.Jutindhara was the name of another Yakkha who lived there.MT.289.