Who fought in the pennelopenisian war?

The Peloponnesian War was fought between two major Greek city-states: Athens and its empire, known as the Delian League, and Sparta and its allies, collectively referred to as the Peloponnesian League. The conflict lasted from 431 to 404 BCE and was marked by a struggle for power, influence, and control over the Greek world. The war ultimately resulted in the defeat of Athens and the end of its Golden Age, leading to a shift in power dynamics in ancient Greece.