Cavalry kingdom of the northern Gold Coast savanna controlling kola-trade crossroads.
The Gonja Kingdom was brought under British influence by 1897 when Britain occupied the Northern Territories of the Gold Coast; it was formally incorporated into the Northern Territories protectorate by 1899–1901; the Yagbonwura paramountcy survives as a ceremonial institution within the Savannah Region of modern Ghana.
The atlas holds 6 border frames for Gonja Kingdom — the shape you scrub through changes in 1675 · 1701 · 1749 · 1799 · 1821 · 1848.
Shillington's survey covers the northern-Ghana kingdoms, including the Gonja state of the Volta basin.
The West African savanna world Gonja sat within (broad context, not Gonja-specific).