they were Greek city states Sparta having a dominate ground force and Athens having a powerful navy also Athens was one of the earliest democracy's
Athens is in Greece and Sparta is in the Czech Republic.
The war between Athens and the Athenian empire versus Sparta, Thebes, Corinth, and other members of the Peloponnesian Confederacy 431 - 404 B.C.E. Large scale campaigns and heavy fighting took place...
the compromise was stay out of each others way
Europe is the continent your looking for and the country is Greece