Norway, Finland, Poland, Czechoslovakia (Slovakia), Hungary, Romania, Turkey, Iran, Afghanistan, Pakistan, China, Mongolia, North Korea.
Some of these shared borders are difficult to spot on a world map, you need something a little more detailed.
Well many different countries were created from the fall of the Soviet Union. The that you might be thinking of is Russia.
Armenia, Azerbaijan, Belarus, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan
Moscow Minsk Kiev Tallin kishinov Tbilisi Tashkent bishket almata vinnius Dushanbe voronet
theorcay
The USSR was made up of 15 Soviet Socialist Republics, all of which are now independent countries. Armenia Azerbaijan Belorus Estonia Georgia Kazakhstan Kirgizstan Latvia Lithuania Moldavia Russia...