Vellore Fort is a historic fort located in the city of Vellore, Tamil Nadu, India. Built in the 16th century by the Nayaks of Vellore, it showcases a blend of architectural styles, including Islamic and European influences. The fort is known for its massive walls, deep moats, and impressive gateways, making it a significant example of military architecture. The fort houses several important structures, including the Vellore Fort Temple and the Jail where notable prisoners, such as Tipu Sultan's family, were held. Today, it is a popular tourist destination, attracting visitors interested in history and architecture.