There are no cities, counties, provinces, states or countries on the Antarctic continent.
There are no countries on the Antarctic continent, so there are no county definitions either.
Antarctica is a continent and each continent is in only one part of the world.
Antarctica is its own continent and is not part of the US.
Antarctica.
There are no counties that border Antarctica -- it is surrounded by the Southern Ocean.
There are no counties, cities, states or countries in Antarctica.
Wherever the Antarctic Circle crosses land, the land is part of the continent of Antarctica.
No continent is south of Antarctica. It is in the most southerly part of the world, so nothing is further south.
Antarctica.
There are no countries on the Antarctic continent.
Antarctica.