Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Kotamalaya
Kotamalaya:A mountainous region in South Ceylon,whither Dutthagāmanī fled from his father’s wrath,and where he lived while making preparations for his campaign (Mhv.xxiv.7; xxxii.29; MT.332,430).v.l.Kottamalaya,Kotthamalaya,Kolambamalaya.