The Palace of Aigai (also known as the Palace of Philip II) in Vergina, Greece, is the monumental royal residence and ceremonial centre of ancient Macedonia's first capital — a UNESCO World Heritage highlight and the largest classical Greek building ever built (about 15,000 m², three times the size of the Parthenon). Constructed in the mid-4th century BC under Philip II (father of Alexander the Great), it served as the political, religious, and cultural hub where Alexander was proclaimed king in 336 BC after Philip's assassination in the adjacent theatre. The palace's innovative design — a massive central square peristyle courtyard surrounded by Doric colonnades, banquet rooms (androns for symposia), administrative spaces, throne areas, and a grand propylon entrance — set the model for Hellenistic palaces worldwide.

The Museum of the Royal Tombs of Aigai (also called Royal Tombs - Display of Treasures) in Vergina, Greece, is an extraordinary underground museum built directly inside the Great Tumulus (ancient burial mound) to protect and display the royal tombs of ancient Macedonia in situ. Visitors descend into a dimly lit, cavernous space mimicking the ancient mound, where you view the intact tomb façades from platforms—no entry inside for preservation. Highlights include: Philip II's tomb façade with its vivid hunting scene fresco (one of the finest surviving classical Greek paintings). Stunning grave goods in showcases: the solid gold larnax (casket) with the Vergina Sun, Philip's golden oak wreath, armour, weapons, ivory furniture, and jewellery rivalling Tutankhamun's treasures.The dramatic low lighting and earth-surrounded setting create an immersive, almost reverent atmosphere. It's the emotional climax of any Vergina visit, contrasting the brighter Central Museum and open-air palace ruins.