Originally Posted by melchizedek
Yeah, Tyrion's accent it truly appalling. The reason everyone has English accents, I suspect, is because the whole thing is based upon English history. Although not following history exactly, the Lannisters roughly correspond to house Lancaster and the Starks to House York. There are some tips of the hat to the Saxons, Normans and Celts, too.
If you look at the map of Westeros and flip Dorne around (making it Cornwall, I think?) then southern Westeros looks a bit like England.
Narrow Sea = English Channel?
The Wall = Hadriens Wall?
The people beyond the wall = the Picts/Scots? (who, as every good Englishman knows, are crazy.
Its not perfect but it matches too well to be a coinkidink...