Polish President Lech Kaczynski has invited his Russian counterpart Dmitri Medvedev to this month's 65th anniversary of the liberation of the Nazi death camp, Auschwitz.
President Kaczynski's office confirmed the invitation in a statement on his Web site. The move is being seen as an effort to improve ties with Russia.
More than one million people died at the Auschwitz camp in southern Poland - most of them Jews - before it was liberated by Soviet troops on January 27, 1945.
The camp was part of a network set up by Nazi Germany during World War II to exterminate Jews and anyone else it considered undesirable.
The anniversary commemoration at the camp site, which is now a museum, is expected to draw a range of foreign officials.
Some information for this report was provided by AFP and Reuters..