Greece is home to many impressive castles, primarily built during the Byzantine and medieval periods. These structures were often constructed for defense against invaders and to assert control over territories. Notable examples include the Palamidi Fortress in Nafplio and the Castle of Methoni in the Peloponnese. Many of these castles feature stunning architecture and offer breathtaking views of the surrounding landscapes. They often reflect the rich history of Greece, showcasing influences from various cultures, including the Venetians and Ottomans. Today, these castles attract tourists interested in history and architecture.