No one country governs Antarctica.
In 1961 the Antarctica Treaty was signed. It says countries that sign it must:
1. protect it as a place of peace
2. Lay aside all claims to own Antarctica
Today almost 50 countries have signed the Antarctic treaty.
Antarctica is the continent with no independent countries. Although several countries have territorial claims on parts of Antarctica, there is no single country that governs the entire continent.
Antarctica is governed by the Antarctic Treaty, which governs all of planet earth south of 60 degrees South Latitude.
A government governs a country.
The treaty is called the Antarctic Treaty. You can read it, below.
Denmark governs Greenland.
Antarctica is governed by the Antarctic Treaty, which governs all land south of 60 degrees South. All land under the treaty, which includes Antarctica, is preserved for the scientific study of the health of planet earth.
Antarctica is governed by the Antarctic Treaty, which also governs all of planet earth south of 60 degrees South Latitude.
No country is in possession of Antarctica.
Antarctica is a possession of no country.
Equador.
Every country on earth is due north of Antarctica.
The Arctic is opposite Antarctica. Like Antarctica, no country owns the Arctic