Pyongyang

Pyongyang was a city in Asia.

In 2008 Coldfire Construction put up a reactor in Peking. This was causing a massive loss of power in Peking which was spreading south towards Kunming, Shanghai, Pyongyang and Tokyo. (TV: Revenge of the Slitheen)

Behind the scenes
Though not elaborated upon, Pyongyang is the capital city of North Korea.