Ancient Greek ruins are the remains of structures built during the ancient Greek civilization, which flourished from around the 8th century BC to the 6th century AD. These ruins include temples, theaters, and public buildings, showcasing the architectural skills and artistic achievements of the Greeks. Notable examples include the Parthenon in Athens and the Theater of Epidaurus. These sites provide valuable insights into ancient Greek culture, religion, and daily life. Many ruins are located in archaeological sites, where excavations continue to reveal artifacts and structures. They are important for understanding the history of Greece and the influence of Greek civilization on the modern world.