North Wales
North Wales was a region of Wales. The Death Zone on Gallifrey was about the size of North Wales, though Gallifreyans believed it covered a great distance. Both Iris Wildthyme and the Doctor knew this. (PROSE: The Scarlet Empress)
The iron constituting one guerilla's ray gun was originally mined in North Wales. (TV: Day of the Daleks)
Wrexham and Llangollen were in North Wales. (AUDIO: Forgotten Lives)
Lord Mayor of Cardiff Margaret Blaine was aware of the "notorious divide" between North and South Wales, joking in September 2006 that she had no desire to re-open it in light of Blaidd Drwg. She did point out that, although Trawsfynydd had been mothballed, North Wales still had Wylfa, so a nuclear power station in Cardiff would "[make] the score one-all!" (PROSE: The Western Mail, TV: Boom Town)