The Mycenaean Culture was a Bronze Age civilization that stretched across the Greek mainland and the Aegean islands. Its name was derived from the ancient Greek city of Mycenae, which was one of its most important centers. Synonyms for the Mycenaean Culture include Late Helladic civilization, Achaean civilization, and Aegean Bronze Age civilization. The civilization is also known for its impressive architectural structures such as the Lion Gate at Mycenae, which features two stone lions flanking a columned entrance. The Mycenaean Culture was characterized by its complex social hierarchy, sophisticated art and literature, and significant contributions to classical Greek civilization, including the foundation of the Olympic Games.