Potidea is an ancient city located in northern Greece, situated on the narrow isthmus connecting the peninsula of Chalkidiki to the mainland. It was founded in the 7th century BCE by settlers from Corinth and played a significant role in maritime trade due to its strategic position. The city was known for its fortifications and was an important center during various historical periods, including the Peloponnesian War. Today, the site of Potidea is recognized for its archaeological significance, with remnants of ancient walls and structures still visible. The modern village of Nea Potidea now occupies the area, attracting visitors interested in its rich history and beautiful coastal scenery.