Nigeria

Nigeria was a country in Africa. Calabria helped the Eighth Doctor free his companion Charley from a Nigerian prison. (PROSE: You Had Me at Verify User Name and Password)

Marlowe, a colonist of Proxima 2, was a Nigerian. (PROSE: The Face-Eater)

Vivian Adeola was originally from Nigeria. (TV: The Coach with the Dragon Tattoo)

Behind the scenes

 * Incomplete prints of all episodes of The Time Meddler and The War Machines were found in Nigeria in 1985 along with uncut prints of The Web Planet.
 * Cyril Nri (the Shopkeeper in TV: Lost in Time and Sky) was born in Nigeria.
 * All of the episodes of The Enemy of the World, and episodes 1, 2, 4, 5, and 6 of The Web of Fear were found in Nigeria in 2013.