Which European countries were on which side of the Iron Curtain during the Cold War?

West

Austria, Belgium, Denmark, Finland, France, Greece, Iceland, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, U.K., West Germany

East

Albania, Bulgaria, Czechoslovakia (now the Czech Republic and Slovakia), East Germany, Hungary, Poland, Romania, Yugoslavia (now Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Montenegro)

Neutral

Switzerland