Sparta was one of the city-states which existed in the Peloponnese, which is the peninsula which forms southern Greece. So they didn't fight the peninsula.
Athens and its empire by Sparta and its allies, with financial support from Persia.
The Peloponnesian War was between Athens and Sparta. It was after the great Persian war, when Athens and Sparta worked together to defeat Persia. The Peloponnesian War was started because Sparta feared Athens may dominate them one day. There was a big battle between them, lasting for many years, but in the end, Sparta won.
During the Peloponnesian war.
After 27 years Athens, its fleet destroyed, was besieged and starved into surrender.
Sparta .
Athens and its allies were defeated by Sparta in the Peloponnesian War.
Led the Peloponnesian League.
Persia provided the funds for the Peloponnesian League to build and man a war fleet to match the hitherto superior fleet of Athens.
The conflict between Athens and Sparta , known as the Peloponnesian War , was won by the city-state of Sparta .
Sparta led the Peloponnesian League . Athens led the Delian League .
Sparta was in southeast Greece on the Peloponnesian peninsula
Athens versus Sparta .