The Capital of Magadh empire was situates at Rajgriha or Girivraja. The city was almost impregnable as it was surrounded by five hills, the openings in which were closed by stone walls on all sides.
Lothal is located between the Sabarmati river and its tributary Bhogavo, in the Saurasthra region of Gujarat. Its dockyard was well connected with the river Bhogavo.