Poland's eastern border is also the EU's external border, so if migrants get through Poland to Germany, Warsaw is ready to cooperate with Berlin within the current law, Foreign Minister Jacek Czaputowicz said in Warsaw on Tuesday.
Polish government spokeswoman Joanna Kopcińska has denied reports that that Poland has entered into an agreement on the repatriation of asylum seekers from other EU countries.
After decades of mistrust, Poland and Germany have increasingly similar views on their joint future.
Poland has the best chance of being the "dark horse" of the 2018 FIFA World Cup football tournament, says a multinational team of analysts at the Japanese bank Nomura.
Germany's share in Polish exports in the January-April period was 27.9 percent, compared to 27.4 percent in 2017, while its share in imports dropped by 0.3 percentage points and accounted for 22.5 percent, the Central Statistical Office (GUS) reported on Monday.
Europe is safe when Berlin and Warsaw recognise and respect each other and are able to cooperate, Polish President Andrzej Duda said at a conference devoted to Polish-German relations, also attended by German President Frank-Walter Steinmeier.
An extraordinary tale of doomed love between a WWII Polish prisoner and a pretty, young German girl has emerged out of a small village in southern Germany.
Poland has asked Germany to return tens of thousands of documents relating to war crimes committed by the Nazis and the rescue of Jews by Poles.
An experiment with an Israeli flag has revealed shocking levels of anti-Semitism in Germany.
Newly discovered “secret” Nazi files reveal that the Germans may have deliberately targeted hospitals and other civilian institutions as part of a methodical bombing of Warsaw in 1939 aimed at causing death and panic.