 Complete the following phrase:  Gigonus or Gigonos  was an ancient Greek polis city-state in the Chalcidice, ancient Macedonia. It is cited by Herodotus as one of the citiestogether with Lipaxus, Combreia, Lisaea, Campsa, Smila, Aeneialocated in the vicinity of the Thermaic Gulf, in a region called Crusis near the peninsula of Pallene, where Xerxes recruited troops in his 