"This policy, which is justified temporarily, is unsustainable in the long term," Valls told German regional media group Funke, pointing to the limited capacity not just in Germany, but also across Europe, to receive newcomers.
"We have to say this clearly: Europe cannot take in all migrants from Syria, Iraq or Africa. It has to regain control over its borders, over its migration or asylum policies," said Valls, who is travelling to southern Germany to attend the Munich Security Conference.
This group, which will meet on the margins of an EU summit in Brussels on February 18-19, could also help Turkey financially, she told a press conference in Berlin.
Turkey, which is already hosting 2.7 million Syrian refugees, "has been abandoned in the face of this human tragedy," the country's Deputy Prime Minister Yalcin Akdogan told reporters today at a border crossing with Syria.
On the sidelines of an EU summit in December, Germany gathered officials from Austria, Belgium, Finland, Greece, Luxembourg, the Netherland and Sweden for talks, perhaps a glimpse of a future coalition.
The French prime minister's criticisms, which are due to be published tomorrow, came after his Russian counterpart Dmitry Medvedev lambasted Merkel's asylum policy.
