Cameroon, officially the Republic of Cameroon, is a country in the west Central Africa region. It is bordered by Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Wikipedia

Maiduguri, also called Yerwa by its locals, is the capital and the largest city of Borno State in north-eastern Nigeria. It is popularly called "Home of Peace". The city sits along the seasonal Ngadda River which disappears into the Firki swamps in the areas around Lake Chad. Wikipedia