Because of its location in East Germany, Berlin was surrounded by the Deutschen Demokratischen Republik, or DDR, following World War II. West Berlin, occupied by Western Allies, was seen as a capitalist island in the Soviet sector. West Berlin was completely surrounded by East Berlin and the DDR. West Berlin was only connected to the Bundesrepublik Deutschland, or West Germany, through narrow transit lines. November 9th this year marked the 30th anniversary of the Mauerfall, or the fall of the Berlin Wall.
Source: The Local November 19, 2019 16:07 UTC