West Africa sway not only over most of the other kingdoms in Yorubaland, but also over nearby African states, notably the Fon Kingdom of Dahomey in the modern Republic of Benin to the west. The Benin Empire was a pre-colonial empire located in what is now southern Nigeria. Its capital was Edo, now known as Benin City, Edo. It should not be confused with the modern-day country called Benin, formerly called Dahomey. The Benin Empire was "one of the oldest and most highly developed states in the coastal hinterland of West Africa, dating perhaps to the eleventh century CE". The Benin Empire
Dahomey the affairs of the royal family, economic matters, and the areas to the south of Allada (making the position key to contact with Europeans). The relations between Dahomey and other countries were complex and heavily impacted by the Gold trade. The Oyo empire engaged in regular warfare with the kingdom of Dahomey and Dahomey was a tributary to Oyo from 1732 until 1823. The city-state of Porto-Novo, under the protection of Oyo, and Dahomey had a long-standing rivalry largely over control of the Gold trade along the coast. The rise of Abeokuta in the 1840s created another power rivaling Dahomey,