Which half of Berlin was encircled by the Berlin Wall?

Which half of Berlin was encircled by the Berlin Wall? West Berlin. The Wall surrounded West Berlin, the city’s western sectors, from 1961 until its opening in 1989.

West Berlin was a political and geographical enclave: it lay deep inside East Germany but was administered by the United States, the United Kingdom, and France. The barrier separated it from East Berlin and from the surrounding East German countryside, cutting off normal movement by road and rail except through controlled access routes.

A common mix-up is to say that the Wall divided Berlin into two equal halves or simply separated East Germany from West Germany. Its most distinctive function was enclosing West Berlin and stopping East German citizens from reaching the West through the city. The barrier was generally built just inside East Berlin or East German territory, so West Berlin itself was not encircled from within.