Short answers, pulled from the story.
The Constitutional Act of 1953 applies to the entire territory of the Kingdom of Denmark uniting three distinct regions under a single monarch. This framework creates a unique structure where metropolitan Denmark the Faroe Islands and Greenland exist as autonomous but non-sovereign parts of one state.
Iceland abolished the personal union in 1944 adopting a new constitution that established the current republic after World War II severed ties when Germany occupied Denmark while the United States occupied Iceland. Full independence arrived in 1918 via the Danish Icelandic Act of Union establishing a personal union between Denmark and the newly created Kingdom of Iceland.
Five point eight million people live in metropolitan Denmark compared to approximately fifty-two thousand in the Faroe Islands and fifty-six thousand in Greenland. Danes make up seventy point six percent of the population in both the Faroe Islands and Greenland according to recent statistics.
On the 21st of June 2009 Greenland assumed self-determination transferring responsibility for judicial affairs policing natural resources immigration border controls to its own authorities. The Self-Government Act provides new fields such as administration of justice courts law company accounting mineral resource activities aviation family succession aliens working environment financial regulation.
The entire kingdom spans two million one hundred sixty-six thousand square kilometers ranking as the twelfth-largest country worldwide. Metropolitan Denmark occupies only forty-three thousand square kilometers placing it at number one hundred thirty-three on global size lists while Greenland covers ninety-eight percent of the realm's total area yet remains the most sparsely populated territory globally.