South Korea

South Korea was an Asian nation in the peninsula of Korea. Seoul was located there. (PROSE: Waiting for Jeremy)

History
In 1988, South Korea was one of the stops made by the Neptune on its around-the-world journey. (PROSE: Dateline to Deadline)

In the wake of Miracle Day in 2011, the North Korean regime viewed its population as immortal soldiers and began to mobilise troops along the border with South Korea. (TV: The New World)

In 2059, South Korea was part of the Bowie Base One mission, though there were no South Korean astronauts at the station. (TV: The Waters of Mars)

The Tenth Doctor and Donna Noble once visited South Korea while trying to discover who was responsible for the release of Rempaths into the Earth's internet. (PROSE: In the Blood)

The Tenth Doctor compared Castle Extremis to a scenario in which North and South Korea decided to ditch their weapons programmes and buy Alton Towers. (PROSE:  Martha in the Mirror)