Petovĭo or Poetovĭo, ōnis, f.,
a city in Pannonia , the modern Pettau , Tac. H. 3, 1; Inscr. Orell. 3592.
PETOVIO(Ποτόβιον, or Παταύϊον, Ptol. 2.15.4: Pettau), also called Poetovio ( Itin. Ant. p. 262; and ...
Dictionary of Greek and Roman Geography