Nafpaktos Castle is a historic fortress located in the town of Nafpaktos, Greece. Built in the 15th century, it was constructed by the Venetians to protect the area from invasions. The castle features impressive walls, towers, and a strategic position overlooking the Gulf of Corinth. Visitors can explore the castle's well-preserved structures and enjoy panoramic views of the surrounding landscape. The site is a popular tourist attraction, reflecting the rich history of Nafpaktos and its significance during the Ottoman Empire and Venetian rule.