A spokesman said the move was aimed at reaching the younger generation and educating them about the Holocaust.
It follows the launch by Auschwitz - now a state museum - of a YouTube channel earlier this year.
"We're always trying for new ways of reaching people, and in today's world one of the most popular tools is the internet, and on the internet millions of people use Facebook," said Auschwitz Museum official Pawel Sawicki.Still, a strange idea. Do you be-friend Auschwitz on Facebook? How do you feel about this?