Lejja
Lejja al'umma ce da ta ƙunshi ƙauyuka 33 a cikin jihar Enugu ta Kudu maso Gabashin Najeriya.Kabilar Ibo ne ke da zama kuma tana da tazarar Kilomita 14 daga Nsukka.Wuri ne na wani wurin binciken kayan tarihi na tarihi wanda ya ƙunshi tanderun narkewar baƙin ƙarfe da ƙwanƙwasa wanda ya samo asali tun 2000 BC. Filin ƙauyen dake Otobo ugwu wanda wataƙila filin ƙauye na farko a cikin Lejja wanda ya ƙunshi sama da tubalan 800 na slag tare da matsakaicin nauyi,tsakanin 34 zuwa 57 kg.Binciken Geophysical ya gano shingen ƙarfe a wasu wurare da yawa a cikin al'umma.

Kara karantawa 

 Gidajen tarihi,masu binciken kayan tarihi da ƴan asalin ƙasar:ilimin kimiya na kayan tarihi da jama'a a Najeriya
 FASSARAR KARFE DA KARFIN SIYASA: MISALAN DA AKE KWANCE KARFE NA YANKIN NSUKKA, JAHAR ENUGU,KUDU GABAN NIGERIA.  by CHIDOZIE S.AGU and CHUKWUMA, C. OPATA, UNIVERSITY OF NIGERIA,NSUKKA

Duba kuma 

 Opi (shafin archaeological)
 Archaeology na Igbo-Ukwu

Hanyoyin haɗi na waje 
Lejja, daular baƙin ƙarfe

Nassoshi