The Adamawa Emirate is a traditional state located in Fombina, an area which now roughly corresponds to areas of Adamawa State and Taraba state in Nigeria, and previously also in the three northern provinces of Cameroon (Far North, North, and Adamawa), including minor parts of Chad and the Central African Republic.
It is founded by Modibo Adama, a commander of Sheikh Usman dan Fodio, the man who begins the Fulani jihad in 1809.
The capital is moved several times until it settles in Yola, Nigeria on the banks of the Benue River in Nigeria around 1841.
At the time of Adama's death his realm encompasses parts of modern Nigeria and much of north Cameroon.
It is technically part of the Fulani Empire, and it has to pay a tribute to the leaders in Sokoto.