The capture of Euboea in July 1470 was a significant episode in the expansion of the Ottoman Empire during the late 15th century. The island, situated close to the Greek mainland, was vital not only for its economic resources but also for its strategic position in the Aegean Sea, making it a focal point for trade and military operations. At the time, Euboea was under Venetian control, continuing a legacy of the island's involvement in maritime trade and political maneuvering in the region. Facing pressure from the encroaching Ottomans, who sought to enhance their territorial claims, the Venetians struggled to repel the well-organized army of Gedik Ahmed Pasha, the appointed Ottoman commander.The siege on Euboea began with a series of naval assaults coupled with ground troop interventions. Ottoman forces effectively engaged the Venetian defenders, exploiting their relative vulnerabilities and successfully infiltrating their fortifications. The decisive moments came when the Ottomans seized key defensive structures, leading to rapid territorial gains. By the end of the operation, Euboea fell firmly into Ottoman hands, cementing their foothold in the Aegean and demonstrating the empire's growing naval prowess. The takeover of Euboea highlighted the shift in power dynamics between regional players, particularly as the Ottoman Empire was vying for dominance over the Balkans and Aegean. The loss for the Venetians represented a setback from which they would take years to recuperate while the Ottomans continued to expand their influence throughout the region. The event would eventually contribute to the broader context of the Ottoman-Venetian Wars, illustrating the changing tides of power in the eastern Mediterranean.