Heraclea was an ancient city located in what is now modern-day Bulgaria. Founded in the 4th century BCE, it was established by Greek colonists and named after the hero Heracles. The city was strategically positioned near the Black Sea, which facilitated trade and cultural exchange. Throughout its history, Heraclea became known for its impressive architecture, including temples and public buildings. It was part of various empires, including the Roman Empire, and played a significant role in regional politics. Today, the ruins of Heraclea serve as an important archaeological site, attracting visitors interested in ancient history.