Vellore Fort is a large 16th-century fort situated in heart of the Vellore city, in the state of Tamil Nadu, India built by the Emperors of Vijayanagara. The fort was at one time the imperial capital of the Aravidu Dynasty of the Vijayanagara Empire. The fort is known for its grand ramparts, wide moat and robust masonry.

Vellore, also natively spelt as Velur, is a sprawling city and the administrative headquarters of Vellore district in the Indian state of Tamil Nadu. It is located on the banks of the Palar River in the northeastern part of Tamil Nadu and is separated into four zones that are further subdivided into 60 wards, covering an area of 87.915 km2 and housing a population of 423,425 as reported by the 2001 census. It is located about 137.20 kilometres (85 mi) west of Chennai, and about 213.20 kilometres (132 mi) east of Bangalore. Vellore is located on the Mumbai–Chennai arm of the Golden Quadrilateral. Vellore is governed under a mayor and the Vellore Municipal Corporation. It is a part of both the Lok Sabha and state assembly constituencies of Vellore.