Megara is a historic city located in Greece, situated on the Isthmus of Corinth. It was founded in the 8th century BC and played a significant role in ancient Greek history. Megara was known for its strategic location and as a center for trade and commerce, which contributed to its prosperity. The city is also famous for its contributions to philosophy, particularly through the Megarian school founded by philosophers like Euclid of Megara. Today, Megara is a modern town that retains remnants of its ancient past, including ruins and archaeological sites that attract visitors interested in history.