Denmark's Prime Minister Mette Frederiksen said on Wednesday she had spoken on the phone with U.S. President-elect Donald Trump and told him that it is up to Greenland itself to decide on any independence.

Greenland must make its own decisions about independence from Denmark, Prime Minister Mette Frederiksen told President-elect Trump in a Wednesday phone call. The big picture: Trump, since his first term, has repeatedly floated the idea of the U.S. buying Greenland even though the island's leaders have said it is not for sale.

When President-elect Donald Trump mused about buying Greenland from Denmark during his first administration, the Danish prime minister called the idea “absurd” and rebuffed him outright.

Trump’s talk of acquiring the island has raised the profile of Greenland, but it has also prompted some anxieties

Greenland is seeking to work more closely with the U.S. on defense and mining, Prime Minister Múte Egede said at a Monday briefing, per local media. Why it matters: House Republicans introduced a bill Monday that's designed to allow President-elect Trump to enter into negotiations with Denmark to acquire Greenland,