What are the other # Areas of the Holy Empire of Britannia? At the start of Code Geass Japan has just been conquered by Britannia and renamed Area 11. After Prince Clovis's death we are introduced to Princess Cornelia, learning that her Knights had just established another Area for the Empire (I do not remember the number) before leaving to take Clovis's place in Area 11.

I am wondering what each of the Areas are (ie. Area 11 is Japan), if they were conquered in the order they are numbered and if they were all also conquered while Charles Zi Britannia was Emperor.
An Area is a nation or group of nations that has been conquered by
  Britannia and made into a colony. Each Area is designated with a
  number, and its people are referred to by that number. 


...


  Areas are numbered in order of conquest, though only a handful are mentioned by
  name



United States - Disputed (considering the timeline, the United
States doesn't exist in this world) In addition, Britannians make
several mentions to the "Homeland" suggesting that there's a part of
their empire that isn't an Area. Since the original colonies that
Britannian nobles fled to after losing Great Britain were in North
America, it would make sense that at least part of the United States
as well as possibly part of Canada, would be the "Homeland".
Canada and Queen Elizabeth Islands
Mexico
Greenland
Iceland
South America
Hawaii and Midway Atoll
Falkland Islands
New Zealand
Indochina - Disputed (Indochina is shown as a territory of the
 Chinese Federation)
Japan
Philippines
Cambodia - Disputed (While Britannia seems to have connections with
 Cambodia, it was never called an Area) In addition, Cambodia is
 considered a part of Indochina.
Papua New Guinea
Southern Pacific Islands
Korean Peninsula - Disputed (Shown as a territory of the Chinese
 Federation)
Indonesia - Disputed (shown as a territory of the Chinese
 Federation, especially taking part of the uprising)
Middle Eastern Federation
Unknown
Unknown
Unknown
Unknown
Unknown
Spain


Source