what city-state headed the peloponnesian league?
The Peloponnesian League was formed by several states within the  Peloponnese and headed by Sparta. League states included Sparta,  Corinth, Elis and Tegea. Eventually, the â¦ league included all of the  Peloponnese states except Argos and Achaea. After the Persian War,  it became the Hellenic League and expanded to include Athens and  other states as well.