Kastro, located in Chania, is a historic fortress that dates back to the Venetian period. It was built in the 16th century to protect the city from invasions and has since become a significant landmark. The structure features impressive stone walls and offers stunning views of the surrounding area, including the Old Harbor. Today, Kastro is a popular tourist attraction, drawing visitors interested in history and architecture. The site is part of the rich cultural heritage of Crete and provides insight into the island's past, showcasing the blend of Venetian and Ottoman influences in its design.