United we are strong!

The Union of Nations consists of most independent nations in the system.
These are:

Western Bloc:
Thirde Empire of Matto

Eastern Bloc:
Stockmanian SSR (Empty_Mind)
Republic of Dowdosia (Asdowdy)
Republic of Kaneland (213cheetah™)
Coffmania

Northern Bloc:
Nazi Socialist Communist Dictatorship of Markusland (Markles)

Southern Bloc:
Kingdom of Slayveilia (Farming meme)
Republic of Aledoania (FurryDump)

Southeastern Bloc:
Keldiri-Stewartanian Directorate (funinabox)
Republic of Josefii (thenewlegion)

Lunar:
Nazi Anglikan Lunar State (El_Kommadante)
Republic of Ameeristan (The 可愛です master)

Banned to Phobos Prison Base:
Zeroland (Zero)
Brandonia (Link Mudkip)

*Nations with asterisk are governed by the nation above them and have little-to-no government of their own and/or no representation in international diplomacy.