Antarctica

Antarctica is a sub-planet of Earth, comprising the continent of Antarctica, Antarctica is mostly unhabitied except for Northern Antarctica, it's usally divided into the sub-continents of North, West, & East Antarctica, Antarctica is known as the Ice subplanet, since Antarctica is mostly covered in Ice, the Antarctic Treaty was signed by the United Nations, European Union, and various countries protecting West & East Antarctica.

North Antarctica
North Antarctica is the only inhabited sub-continent in Antarctica, North America has a european-majority population, and is the only developed sub-continent in Antarctica, North Antarctica has no sovereign states, but has a few dependent territories such as Falkland Islands.

West Antarctica
West Antarctica is a uninhabitied sub-continent, West Antarctica is protected by the Antarctic Treaty, that prohibits any sovereign claim or colonization in West & East Antarctica, West Antarctica is moslty covered in ice, and it is very cold to live in.

East Antarctica
West Antarctica is a uninhabitied sub-continent, East Antarctica is protected by the Antarctic Treaty, that prohibits any sovereign claim or colonization in West & East Antarctica, East Antarctica is mostly covered in ice, and it is very cold to live in.