The Island of Diu has chaptered History, having been under the possession of and ruled by many Kings and Dynasties; beginning with the Pauranic period and the last being Portuguese from whom it was liberated along with Goa and Daman on 19th December, 1961. The word 'ISLAND'. (DIU) which was under the Yadavas led by Krishna Vasudeva during Mahabharata period.

According to mythology, Diu was ruled by the great king Jallandhar who was a daitya (Demon) and was killed by Lord Vishnu with his Sudarshan Chakra (disc). The temple of Jallandhar still exists in Diu. Gazetteer of Goa, Daman and Diu says that Diu was known as Jallandhar Ksshetra during Satyug and is famouos for its Jallandhar temple.