Ancient Plovdiv is one of the oldest continuously inhabited cities in Europe, located in Bulgaria. Its history dates back over 6,000 years, showcasing a rich tapestry of cultures, including the Thracians, Romans, and Ottomans. The city is known for its well-preserved ancient ruins, such as the Roman Theatre and the Roman Stadium, which highlight its significance during the Roman Empire. The city's old town features charming cobblestone streets and colorful Renaissance-era houses, reflecting its diverse architectural heritage. Plovdiv is also recognized for its vibrant cultural scene, hosting various festivals and events that celebrate its historical legacy and modern creativity.