Potidaea is an ancient city located on the narrow isthmus connecting the peninsula of Chalkidiki to mainland Greece. Founded in the 7th century BCE, it was originally a colony of the city-state of Corinth. The city played a significant role in various historical events, including the Peloponnesian War. Strategically positioned, Potidaea served as a vital trade route and military outpost. It was known for its fortifications and was involved in conflicts with neighboring city-states, including Athens and Macedonia. Today, the site is an important archaeological location, revealing insights into ancient Greek civilization.