Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Pallavabhogga
Pallavabhogga:A country from which came Mahādeva,together with four hundred and sixty thousand monks,for the foundation ceremony of the Mahā Thūpa (Mhv.xxix.38).Geiger thinks the reference is to Persia.Mhv.Trs.194, n.2.