The report added that “refugees still rely on the Balkan route” which could mean “violent riots are more and more likely in this context.”
Around 13,000 are stuck in camps at the border in Idomeni with a further 12,000 just a few hundred metres nearby in Thessaloniki.
Eva Cosse, Greece specialist at Human Rights Watch, said: “Trapping asylum seekers in Greece is an unconscionable and short-sighted non-solution that is causing suffering and violence.”
European officials have warned these numbers could grow as the spring and summer seasons provide safer sea conditions to travel across the Aegean Sea from Turkey.
The German report itself confirmed “more stable weather conditions in the Aegean Sea from the end of March will favour sea smuggling”.