According to the DPA news agency, citing representatives of Prime Minister Lars Løkke Rasmussen, Copenhagen won't take back Daesh fighters to stand trial in the country.
"We are talking about the most dangerous people in the world. We should not take them back", he stressed, adding that Trump's statement was premature, as the situation in Syria is far from stable.
Earlier on Sunday a spokeswoman for Germany's interior ministry addressed the US president’s appeal.
"In principle, all German citizens and those suspected of having fought for so-called Daesh* have the right to return", she said, adding, however, that the condition for that was consular access for the suspects.
Earlier in January, Paris reportedly agreed on repatriating at least 130 French Daesh fighters being detained in northeast Syria by US-backed Kurdish soldiers, so they could face trial in France.
* Daesh (ISIL/ISIS/IS/Islamic State) is a terrorist organisation banned in Russia