Nigeria, A gwamnatance Tarayyar Najeriya, ƙasa ce a cikin Afirka ta Yamma tana da iyaka da kasar Nijar daga Arewa,Chad daga Arewa maso gabas, Kamaru daga gabas, da Benin daga yamma, daga kudanci kuma ta na gabar Tekun Guinea na tekun Atlantika . Najeriya ita ce jamhuriya ta tarayya da ta kunshi jihohi 36 da Babban Birnin Tarayya inda babban birnin tarayya yake wato Abuja.
