Danish Prime Minister Mette Frederiksen repeated on Monday that Greenland is “not for sale,” but she remained open to bolstering the American “footprint” on the Arctic island.

As European Union leaders convened for a meeting in Brussels, Frederiksen addressed President Donald Trump’s prospect of acquiring control of Greenland, a self-governing territory of Denmark, a U.S. ally, through military or economic force. 

“I think we have been very clear from the Kingdom of Denmark, with great support from the European partners and the European Union, that everybody has to respect the sovereignty of all national states in the world, and that Greenland is today a part of the Kingdom of Denmark, it is a part of our territory, and it’s not for sale,” Frederiksen told reporters, speaking in English. “The chairman, the leader of Greenland, has been very clear that they are not for sale.” 

Frederiksen signaled that Denmark would welcome Trump sending more troops to Greenland, where the U.S. Space Force already has a base to monitor missile threats. 

In Brussels on Monday, Frederiksen also reacted to Vice President JD Vance recently asserting that Denmark has “not been a good ally.” In an interview with Fox News on Sunday, Vance repeated that Greenland is “really important to our national security,” as China and Russia increasingly traverse sea lanes near the island, and “frankly, Denmark, which controls Greenland, it’s not doing its job, and it’s not being a good ally.” 

“You have to ask yourself, how are we going to solve that problem, solve our own national security if that means that we need to take more territorial interests in Greenland? That is what President Trump is going to do, because he doesn’t care about what the Europeans scream at us. He cares about putting the interests of America’s citizens first,” Vance said, adding, “You’ve got probably 55,000 people living on Greenland who are not actually happy with Danish government. They’ve got great natural resources there. They’ve got an incredibly bountiful country that the Danes aren’t letting them develop and explore. Of course, Donald Trump would take a different approach if he was the leader of Greenland.” 

Speaking in Danish, Frederiksen told reporters that Danes “have fought side by side with the Americans for many, many decades,” according to reports and an online translation. 

Prime Minister Frederiksen signaled that Denmark would welcome Trump sending more troops to Greenland, where the U.S. Space Force has a base to monitor missile threats. (Thomas Traasdahl/Ritzau Scanpix/AFP via Getty Images)

“We are one of the United States’ most important and strongest allies – and I will not accept the notion that Denmark is a bad ally. We are not, we never have been, and we never will be in the future. The Arctic Cooperation is important. It is something we are willing to prioritize,” Frederiksen said, arguing that it would align with the interests of Denmark, the U.S. and NATO. 

“It is sensible, but it is also important that we work together against terrorism, against the destabilization we see in the Baltic Sea right now with sabotage, and it is important that we work together on NATO’s Eastern flank and thereby holding firm in relation to Russia,” she added, turning to the Ukraine war. “So we would be able to work together in many ways, but I do not want to be sitting on Denmark’s name and remuneration that we should be a bad ally, because we are not.” 

Trump’s eldest son, Donald Trump Jr., visited Greenland’s capital Nuuk, to meet with locals last month, weeks before his father took office.

Trump’s 10% tariffs on Chinese imports into the U.S. took effect this week, as the administration aims to hold Beijing accountable for precursor chemicals said to be fueling the fentanyl crisis. He agreed to suspend a 25% additional tariff on imports from Canada and Mexico, and an additional 10% tax on energy imported from Canada, including oil, natural gas and electricity, by 30 days after both countries agreed to send additional troops to their borders with the U.S., among other stipulations. 

The Associated Press contributed to this report.