Polar regions of Earth
The southern polar region has no permanent human habitation. McMurdo Station is the largest research station in Antarctica, run by the United States. Other notable stations include Palmer Station and Amundsen–Scott South Pole Station (United States), Esperanza Base and Marambio Base (Argentina), Scott Base (New Zealand), and Vostok Station (Russia).
Base Presidente Eduardo Frei Montalva
Base Presidente Eduardo Frei Montalva is the most important Antarctic base of Chile. It is located at Fildes Peninsula, an ice-free area, in front of Fildes Bay (Maxwell Bay), west of King George Island, South Shetland Islands. Situated alongside the Escudero Station and only 200 metres from the Russian Bellingshausen Station, its geographic coordinates are , with an altitude of 10 metres above sea-level. The base is located in the Chilean commune of Antártica, which is the Antarctic territory claimed by Chile (Antártica Chilena Province, Magallanes y la Antártica Chilena Region).