Belfast
From Tardis Wiki, the free Doctor Who reference
Belfast was a city on the east coast of Northern Ireland. (TV: The End of Time, The Lie of the Land)
Lord Kelvin was born in Belfast, (PROSE: Evolution) as was Patrick Gormley. (AUDIO: Signs and Wonders)
Alistair Gordon Lethbridge-Stewart once compared Bosnia to Belfast. (PROSE: The Dying Days)
A map showing the location of Belfast appeared on a screen a UNIT HQ in Geneva. (TV: The End of Time)
Although only partially written, "Belfa" was one of the many locations that could be seen on the map that Nardole showed Bill. (TV: The Lie of the Land)