Grenda
The Antarctic Peninsula is the closest group of islands to the South Pole. These islands include the South Shetland Islands, South Orkney Islands, and the South Sandwich Islands.
Out of the listed countries, the Solomon Islands are closest to New Zealand.
Polynesia
The three continents closest to Antarctica are South America, Australia and South Africa. But, the closest is South America. The three closest continents to Antarctica are South America, Australia, and Africa. The microcontinent Zealandia is very close to Antarctica.
Argentina is closest.
South America
Falkland Islands, South Georgia---Islands off South America, owned by U.K.
The Falkland Islands are closest to Argentina.
Australia is closer (South America is closest of all). Also, note that Australia is not a continent. This means the closest continent to the South Pole is South America.
South america
The group of islands, located 300miles from South America's Patagonian coast is called Falkland Islands. They are one of the British overseas territories and not part of South America.
The southern tip of South America is closer to Antarctica and the South Pole than Australia.