Which countries where on the Soviet side of the Berlin Wall?

Western countries
e.g. China, Russia, Mongolia, Western Germany Alot of these had communist governments introduced by the USSR.
Berlin itself was split-The western side of the wall was mainly inhabited by western Germans and was communist, the eastern side was inhabited by eastern Germans and was not communist. There had to be a divide as it was the capital and Western and Eastern Germans must both be allowed to live there.
Basically, Soviets were west and NATO (north Atlantic treaty organisation- USA, England etc) and was East