The meeting, initiated by Germany's top diplomat Heiko Maas, marked 30 years since the trilateral cooperation platform was established.
Amid a migrant surge on the EU's eastern border with Belarus, Polish Foreign Minister Zbigniew Rau called for European solidarity "in the face of the crisis," according to the foreign ministry in Warsaw.
The previous Weimar Triangle talks took place in Paris last year, when the three top diplomats discussed tensions in Poland's eastern neighbor Belarus as well as transatlantic ties, according to news reports at the time.
The Weimar Triangle group was set up by Poland, Germany and France in the early 1990s.
Polish Prime Minister Mateusz Morawiecki said last year that the Weimar Triangle was “a very good format” because the three countries, after Britain’s exit from the European Union, represented 42 percent of the bloc’s population.
(gs)
Source: PAP