I can't speak for US, England, or Spain.

But in countries like Poland, Czechoslovakia, and Hungary, they were expelled to Austria and Germany. Much of these expelled would migrate to the United States and Australia. Some were sent to labor camps in these nations as well. Estimates for the amount of those expelled range from 500,000 to over 3.5 Million.

Steffen Prauser and Arfon Rees, The Expulsion of 'German' Communities from Eastern Europe at the end of the Second World War. 2004.