Abaji Karamar hukuma ce dake Birnin Abuja, Nijeriya. Abaji ƙaramar hukuma ce a Babban Birnin Tarayyar Najeriya. Garin shine ƙasar Egbira, Ganagana da Hausawa, mafiya yawa sune Egbira da Ganagana, mazaunin farko a Abuja sune mutanen Egbira da Tiv kafin zuwan yakin basasar Usman Danfodio zuwa Arewa ta tsakiya, Abuja ta Kudu, bayan sarautar dangin dangi tayi nasara ta mutanen Egbira wadanda suka yi nasara a yakin tsakaninsu da mutanen Tiv, suka zama dangi mai mulki kuma suka ba Hausawa damar zama Limamen garin sunan da ake kira Igabazi (ma'ana: Yankin da Abazhi ya sassaka), kuma yana daya daga cikin yankuna yankin a Abuja. Masarautar Abaji karkashin jagorancin Ona na Abaji (shugaban FCT Council of sarakuna) ita ce tsohuwar masarautar gargajiya a Babban Birnin Tarayya, Najeriya. Wasasar ta kasance ƙarƙashin tsohuwar masarautar Koton Karfe amma ta yarda ta shiga cikin babban birnin tarayya don manufar ci gaba. Tana da yanki na 992 km2 da yawan mutane 98,000 kamar yadda yake a 2016. Tana da shawarar Jami'ar Fasaha ta Abuja (AUTA) wacce za a fara aiki ba da daɗewa ba.