Niksar Castle is a historic fortress located in the town of Niksar, Turkey. It dates back to ancient times and has been used by various civilizations, including the Byzantines and Seljuks. The castle is strategically positioned on a hill, offering panoramic views of the surrounding landscape. The structure features impressive stone walls and towers, showcasing the architectural styles of different periods. Today, Niksar Castle is a popular tourist attraction, allowing visitors to explore its rich history and enjoy the scenic beauty of the area.