Videha (Prākrit: ; Pāli: ; Sanskrit: ) was an ancient Indo-Aryan tribe of north-eastern South Asia whose existence is attested during the Iron Age. The population of Videha, the Vaidehas, were initially organised into a monarchy but later became a (an aristocratic oligarchic republic), presently referred to as the Videha Republic, which was part of the larger Vajjika League. Location The borders of the Videha kingdom were the Sadānirā river in the west, the Kauśikī river in the east, the Gaṅgā river in the south, and the Himālaya mountains in the north. To the west of the Sadānirā river, the neighbour of the Vaidehas was the kingdom of Kosala. The Sadānirā and Kauśikī rivers remained the respective western and eastern boundaries of the later Videha republic, although its territory covered only the northern part of that of the former Videha kingdom, with the latter hence being called Mahā-Videha ("greater Videha"). The Videha republic was located along the foothills of the Himalaya mountains, in what are now the Tarāī region and the south-eastern parts of Nepal including the lower hill ranges, as well as the northern part of what in present time is the Indian state of Bihār. The Malla republics were the neighbours of Videha to the west of the Sadānirā during the republican period. Name The name is the Prākrit version of the name whose Sanskrit form was . The capital of the Vaidehas was the city of Mithilā, whose name was derived from that of the Vaideha king Mithi. History Monarchic period The Vaidehas were an Indo-Aryan tribe in the eastern Gangetic plain in the Greater Magadha cultural region. The Mahā-Videha ("greater Videha") kingdom, located between the Sadānirā river in the west, the Kauśikī river in the east, the Gaṅgā river in the south, and the Himālaya mountains in the north, was founded around 800 BCE, according to the by the king Reṇu with the help of his steward, Mahāgovinda Jotipāla, and claimed by the 5th century CE Buddhist commentator Buddhaghosa to have been colonised by the king Mandhātā with settlers from a place he retroactively referred to as ("old Videha"). The Prākrit name , meaning "without walls or ramparts," was an epithet used in the sense of "destroyers of walls and ramparts". Despite being an Indo-Aryan people, the Vaidehas were not fully Brahmanised, lived in the Indo-Aryan but non-Vedic cultural region of Greater Magadha located to the