Tierra del Fuego Province, Argentina in the context of "Carbajal Valley"

The South Shetland Islands are a group of Antarctic islands located in the Drake Passage with a total area of 3,687 km (1,424 sq mi). They lie about 120 kilometres (65 nautical miles) north of the Antarctic Peninsula, and between 430 and 900 km (230 and 485 nmi) southwest of the nearest point of the South Orkney Islands. By the Antarctic Treaty of 1959, the islands' sovereignty is neither recognized nor disputed by the signatories. According to British government language on the topic, "the whole of Antarctica is protected in the interests of peace and science."

The islands have been claimed by three countries, beginning with the United Kingdom since 1908 (since 1962 as part of the equally unrecognized British Antarctic Territory). The islands are also claimed by the governments of Chile (since 1940, as part of the Antártica Chilena province), and by Argentina (since 1943, as part of Argentine Antarctica, Tierra del Fuego Province).

Isla Grande de Tierra del Fuego (Spanish for 'Great Island of Land of Fire'), also formerly called Isla de Xátiva, is an island near the southern tip of South America from which it is separated by the Strait of Magellan. The western portion (61.43%) of the island (27,294 km (10,538.3 sq mi)) is in Chile (Province of Tierra del Fuego and Antártica Chilena Province), while the eastern portion (38.57%, or 20,698 km (7,991.5 sq mi)) is in Argentina (Tierra del Fuego Province). It forms the major landmass in an extended archipelago (island group) also called Tierra del Fuego.

The island has an area of 47,992 km (18,530 sq mi), making it the largest island in South America and the 29th largest island in the world. Its two biggest towns are Ushuaia and Río Grande, both in Argentina. Other towns are Tolhuin, Porvenir, Camerón, and Cerro Sombrero. The Argentine side, Tierra del Fuego Province, has 190,641 inhabitants (2022), whereas the Chilean side has only 6,656 (2012), almost all located in the Tierra del Fuego Province.

Ushuaia (/uːˈswaɪ.ə/ oo-SWY-ə, Spanish: [uˈswaja]) is the capital of Tierra del Fuego, Antártida e Islas del Atlántico Sur Province, Argentina. With a population of 82,615 and a location below the 54th parallel south latitude, Ushuaia claims the title of world's southernmost city.

Ushuaia is located in a wide bay on the southern coast of Isla Grande de Tierra del Fuego. It is bounded on the north by the Martial mountain range and on the south by the Beagle Channel. It is the only municipality in the Department of Ushuaia and has an area of 9,390 km (3,625 sq mi). It was founded on 12 October 1884 by Augusto Lasserre and is located on the shores of the Beagle Channel surrounded by the mountain range of the Martial Glacier, in the Bay of Ushuaia. In addition to being an administrative center, it is a light industrial port and tourist destination. Ushuaia is located roughly 1,100 kilometres (680 mi) from the Antarctic Peninsula and is one of five internationally recognized Antarctic gateway cities; it is one of two South American cities with that status along with Chile's Punta Arenas.