Upoto, Democratic Republic of the Congo (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
In Darkest Africa, Vol. 1; or, The Quest, Rescue, and Retreat of Emin, Governor of Equatoria
by Henry M. Stanley"During the escape of Deane from Stanley Falls, these Houssas had precipitately retreated into a canoe, and had floated as far as Upoto when they were captured as runaways by the natives of the district."