The Berlin Wall was in Europe.
The Berlin Wall ( Berliner Mauer ) was a guarded concrete barrier that physically and ideologically divided Berlin from 1961 to 1989 . Constructed by the German Democratic Republic ( GDR , East Germany ) , starting on 13 August 1961 , the Wall completely cut off ( by land ) West Berlin from surrounding East Germany and from East Berlin until government officials opened it in November 1989 . Europe . During the Cold War , Europe was divided along the Iron Curtain between NATO in the west and the Warsaw Pact in the east , until the revolutions of 1989 and fall of the Berlin Wall .