Embassy

An embassy was a place where a government conducted diplomatic relations with another government within the other government's jurisdiction.

The Selachians had an embassy on Pluto. (AUDIO: The Selachian Gambit)

The Draconian First Secretary was an aide to the Draconian prince at the embassy on Earth. (TV: Frontier in Space)

There was an American embassy in Ankara. (PROSE: Eternity Weeps)

To get into the Soviet embassy in Prague, the Eleventh Doctor used his psychic paper to claim that he was the ambassador of Syldavia. (COMIC: The Broken Man)