Srirangapatna Fort is a historical fort located in Srirangapatna, the historical capital city of the Kingdom of Mysore in present-day South Indian state of Karnataka. Built by the Timmanna Nayaka in 1454, the fort was modified by King Haider Ali & King Tipu Sultan and fully fortified in the late 18th century with the help of French architects. King Tipu Sultan wanted to protect it against British invaders associated with the East India Company.