Bight of Biafra as "Biafar" (Biafra) was located in present-day Cameroon. The Bight of Biafra extends east of the Bight of Benin from the River Delta of the Niger in the north until it reaches Cape Lopez in Gabon. Besides the Niger River, other rivers reaching the bay are the Cross River, Calabar River, Ndian, Wouri, Sanaga, Nyong River, Ntem, Mbia, Mbini, Muni and Komo River. The main islands in the Bay are Bioko and Príncipe; other important islands are Ilhéu Bom Bom, Ilhéu Caroço, Elobey Grande and Elobey Chico. Countries located at the Bight of Bonny are Nigeria (eastern coast), Cameroon, Equatorial
Bight of Biafra Guinea (Bioko Island and Rio Muni), and Gabon (northern coast). The Bight of Biafra accounted for 13% (1.6 million) of the total number of slaves exported from the Western African coast. The Bight of Benin to the west accounted for 17% while Central Africa to the south accounted for 48%. By the middle of the eighteenth century, Bonny had emerged as the major slave trading port on the Bight of Biafra outpacing the earlier dominant slave ports at Elem Kalabari (also known then as New Calabar) and Old Calabar. These 3 ports together accounted for over 90% of the slave