Wikipedia
Herakleion (Pieria)
Herakleion was an ancient city of south coastal Pieria between Phila and Leibethra. During Peloponnesian war it passed into Athenian control in the years 430/29,425/4 and 421 BC. After Athenian alliance with Perdiccas II in ~ 417-413 BC it became again city of Macedon.