Kyzikos was an ancient city located on the coast of the Marmara Sea in present-day Turkey. Founded in the 7th century BCE, it was known for its strategic position and thriving trade. The city was famous for its production of wine and olive oil, which contributed to its economic prosperity. The city was also notable for its impressive architecture, including the Temple of Apollo and a large theater. Kyzikos played a significant role in various historical events, including conflicts involving the Persian Empire and later the Roman Empire. Its rich history and cultural heritage continue to attract interest from historians and archaeologists.