Messenians at Pylos

Allies of Sparta and Athens at the beginning of the Peloponnesian War (431 bce)

"These were the allies of Sparta: all the Peloponnesians within the Isthmus except the Argives and Achaeans, who were neutral....Outside the Peloponnesusthe Megarians, [East] Locrians, Boeotians, Phocians, Ambraciots, Leucadians, and Anactorians....This was the Spartan confederacy.

That of Athens comprised the Chians,
Lesbians,
Plataeans,
the Messenians in Naupactus,
most of the Acarnanians,
the Corcyraeans,
Zacynthians,
and some tributary cities in the following countries,namely,
the seaboard part of Caria with its Dorian neighbors,
Ionia,
the Hellespont,
the Thracian cities,
the islands lying between the Peloponnnesus and Crete toward the east, and all the Cyclades except Melos and Thera."

"These were the allies of Sparta: all the Peloponnesians within the Isthmus except the Argives and Achaeans, who were neutral....Outside the Peloponnesusthe Megarians, [East] Locrians, Boeotians, Phocians, Ambraciots, Leucadians, and Anactorians....This was the Spartan confederacy.
That of Athens comprised the Chians, Lesbians, Plataeans, the Messenians in Naupactus, most of the Acarnanians, the Corcyraeans, Zacynthians, and some tributary cities in the following countries,namely, the seaboard part of Caria with its Dorian neighbors, Ionia, the Hellespont, the Thracian cities, the islands lying between the Peloponnnesus and Crete toward the east, and all the Cyclades except Melos and Thera."