Peking

Peking (or Beijing) was the capital of China at many points in its history. In the 13th century, the Imperial Palace of Kublai Khan was located there. (TV: Marco Polo)

In the 1970s, Sir Reginald Styles flew to Peking to persuade the Chinese not to drop out of the World Peace Conference. (TV: Day of the Daleks)

During the Year That Never Was, Martha Jones claimed to have gone to the city to collect one of the vials of liquid needed to arm the gun she was allegedly preparing to kill with. (TV: Last of the Time Lords)

In the 51st century, Mr Sin was made in Peking for the commissioner of the Icelandic Alliance. (TV: The Talons of Weng-Chiang)