Udayagiri Fort is in the state of Tamil Nadu in India and thus located in the region of Kanaykumari, which is the southernmost part of India. Udayagiri Fort is a very ancient for that is just simply packed with history.

The fort is thought to be made around 1600 when it was built as a defense fort. Udayagiri Fort was also called De Lannoy's Fort due to the Dutch who had occupied the fort in the 18th century. Udayagiri Fort is now a major attraction that has the portion of the fort and it also has a bio diversity park inside for the visitors.