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In the later Vedic Age, a number of small kingdoms or city states had covered the subcontinent, many mentioned in Vedic, early Buddhist and Jaina literature as far back as 500 BCE. sixteen monarchies and "republics" known as the Mahajanapadas—Kashi, Kosala, Anga, Magadha, Vajji (or Vriji), Malla, Chedi, Vatsa (or Vamsa), Kuru, Panchala, Matsya (or Machcha), Shurasena, Assaka, Avanti, Gandhara, and Kamboja—stretched across the Indo-Gangetic Plain from modern-day Afghanistan to Bengal and Maharashtra. This period saw the second major rise of urbanism in India after the Indus Valley Civilisation.
History of India