Kremlin
The Kremlin was the headquarters for the government of the Soviet Union.
Turlough was told by the Fifth Doctor that he was not welcome in the Kremlin. (AUDIO: Singularity) This could have been because of his visit to the Kremlin centuries earlier. (AUDIO: Thin Ice)
The brothers Yevgeni and Yasha Lemayev worked at the Kremlin. (AUDIO: Thin Ice)
The Council House on Kirith reminded Ace of the faraway majesty of the Kremlin. (PROSE: Timewyrm: Apocalypse)
In July 1966, Kremlin was among the computer systems which were to be connected to WOTAN on C-Day on 16 July, an event which was ultimately cancelled following WOTAN's failed attempt to take over London. (TV: The War Machines)