The flag of The New Communist State of Russia is the largest nation in terms of land mass in AJoIH and incorporates the land of...

Ukraine
Republic of Moldova
Republic of Tajikistan
Republic of Uzbekistan
Republic of Poland
Turkmenistan
Republic of, Belarus
Republic of Estonia
Republic of Armenia
Republic of Azerbaijan
Kyrgyz Republic
Bosnia and Herzegovina
Georgia
Republic of Kazakhstan
Republic of Belarus
Republic of Latvia
Republic of Lithuania
Romania
and Republic of Finland.

...and is run by Vladimir Vladimirovich Putin after the resignation of Russian Federation president Boris Nikolayevich Yeltsin. During WWII, the Union of Soviet Socialist Republics when the Red Army was pushing back both the Wehrmacht and Imperial Japanese Army the country claimed all the land it had gained from the war. After the war it came to a compromise with the Republic of China to let China keep Mongolia while the USSR gave up Czechoslovakia, Hungary, and the lands of Yugoslavia and was forced to let the Western Allies (Canada, United Kingdom, United States of America, France, etc) maintain control over Germany who had successfully negotiated to retain the land of modern day Republic of Austria and the Kingdom of Denmark.