Statistics for occurrence #1 of “Zacynthus” in book 5, chapter 102 of Polybius, Histories:
... which is a
harbour of the Peloponnese, and lies exactly
opposite Naupactus. There he waited for the commissioners
from the allies, and employed the time required for their
assembling in sailing to Zacynthus , and settling on his own
authority the affairs of the island; and having done so he
sailed back to Panormus.
...