Culture shock

Culture shock is the difficulty people have adjusting to a new culture that differs markedly from their own.

Enthusiastic welcome offered to the firstIndian student to arrive in Dresden, East Germany (1951)

The shock of moving to a foreign country often consists of distinct phases, though not everyone passes through these phases and not everyone is in the new culture long enough to pass through all five.^[1] There are no fixed symptoms ascribed to culture shock as each person is affected differently.^[2]

Source: http://en.wikipedia.org/wiki/Culture_shock