People and Sortings:
America- Gryffindor (Alfred F. Jones)
England- Slytherin (Arthur Kirkland)
China- Ravenclaw (Yao Wang)
Russia- Slytherin (Ivan Braginsky)
France- Slytherin (Francis Bonnefoy)
Canada- Hufflepuff (Matthew Williams)
Germany- Ravenclaw (Ludwig Beilschmidt)
Italy- Hufflepuff (Feliciano Vargas)
Japan- Ravenclaw (Kiku Honda)
Prussia- Slytherin (Gilbert Beilschmidt)
Hungary- Ravenclaw (Elizaveta Héderváry)
Austria- Slytherin (Roderich Edelstein)
Denmark- Gryffindor (Mathias Kohler)
Norway- Ravenclaw (Lukas Bondevik)
Iceland- Ravenclaw (Emil Steilsson)
Spain- Slytherin (Antonio Fernández Carriedo)
Romano- Slytherin (Lovino Vargas)
South Korea- Gryffindor (Im-Yong Soo)
Romania- Slytherin (Vladimir Popescu)
Bulgaria- Slytherin (Aleksander Balakov)
Belarus- Slytherin (Natalia Arlovskaya)
Latvia- Hufflepuff (Raivis Galante)
Lithuania- Ravenclaw (Toris Laurinaitis)
Estonia- Ravenclaw (Eduard von Bock)
Poland- Hufflepuff (Feliks Łukasiewicz)
Switzerland- Slytherin (Vash Zwingli)
Liechtenstein- Ravenclaw (Lilli Zwingli)
Scotland- Slytherin (Allistor Kirkland)
Sealand- Hufflepuff (Peter Kirkland)
Pairings:
USUK
FrUK
PruHun
GerIta
SpaMano
DenNor
SwissAus
LietPol
EDIT: 10/3/15- So I took out a few characters. Not as much as I was expecting I would, but there is a definite absense of several people.