Congo
From Tardis Wiki, the free Doctor Who reference
The Congo was a region in central Africa associated with the Petro gods. (PROSE: White Darkness) The Congo River and the Democratic Republic of Congo were located in this region.[source needed]
In 1842, Abasi was born in the Congo. In 1851, Professor Cedric Scrivener brought him back to the United Kingdom to work as his servant. (AUDIO: The Ghosts of Gralstead)
The Congo reminded Leela of her home planet. (AUDIO: The Ghosts of Gralstead)