The provincial authorities are based in Ushuaia.

Īdministratively, Argentine Antarctica is a department of the province of Tierra del Fuego, Antarctica, and South Atlantic Islands. Argentina's claim to this area is subject to the Antarctic Treaty. Argentina's Antarctic claim is based on its continued presence in the region since 1904, and the area's proximity to the South American continent. This region overlaps the British and Chilean claims in Antarctica. It consists of the Antarctic Peninsula and a triangular section extending to the South Pole, delimited by the 25° West and 74° West meridians and the 60° South parallel. Esperanza and Marambio Stations: 0054 + 02964Īrgentine Antarctica ( Spanish: Antártida Argentina or Sector Antártico Argentino) is a sector of Antarctica claimed by Argentina as part of its national territory.