Is Sparta or Athens found in peloponnesus?

Sparta is located in the region of Peloponnesus, while Athens is situated in the region of Attica, which is to the northeast of Peloponnesus. Sparta was known for its military-oriented society, whereas Athens was famed for its cultural and intellectual achievements. The two city-states were significant rivals in ancient Greece, particularly during the Peloponnesian War.