Apollonia was an ancient Greek city located in the region of Epirus, near the Aous River. Founded in the 4th century BCE, it served as a significant cultural and commercial center. The city was known for its strategic position, which facilitated trade and interaction with neighboring regions. The ruins of Apollonia include remnants of temples, theaters, and public buildings, reflecting its historical importance. The site is now an archaeological area, attracting visitors interested in ancient Greek history and architecture. Apollonia's legacy continues to be studied by historians and archaeologists today.