Buenos Aires sits on the estuary, and the country runs south

Buenos Aires stands where the Río de la Plata opens toward the Atlantic. Argentina does not stand there with it. The country keeps running south until the map narrows and the mainland stops.

45,851,378 people live on 2,780,400 square kilometres. The capital is the city of Buenos Aires, not the province of the same name. The province has its own capital in La Plata. The federation sits on the estuary. The province sits beside it, a short way inland. That doubled name already shows that the port is not the whole country. The neighbours are Bolivia, Paraguay, Brazil, Uruguay and, along the Andes, Chile.

A port on a shared estuary

The Río de la Plata is an estuary, fed by the Paraná and the Uruguay. The capital looks onto water that is no longer a river a city street could bridge, and not yet the open ocean. Montevideo stands on the other shore, in Uruguay. The political centre of Argentina is therefore a port on a mouth the country shares with its neighbour. Draw the city only as coast and you miss that the opposite shore belongs to another state.

La Plata is not the federal capital, and Buenos Aires is not the provincial capital. Two cities, two offices, one name that outsiders use for both. The constitution gives the city of Buenos Aires a system of government of its own. The province remains beside it, with La Plata as its seat. The atlas is more precise than the habit. Put only one dot on the estuary and you stack federation and province, although they govern side by side.

South of the port the country grows long

Inland lies the humid pampa, then drier country, then Patagonia, then Tierra del Fuego with Ushuaia far to the south. In the west the Andes rise, Chile on the other side of the cordillera. Aconcagua stands on the Argentine side, near the border with Chile. The north is another country inside the same state: the Chaco, the rivers of Mesopotamia between the Paraná and the Uruguay, subtropical, not Patagonian. The capital governs both from the wide side of the estuary, not from a midpoint.

The shape is a long wedge. Distance to the south is the ordinary fact of the state, not an expedition to the edge. A government in Buenos Aires measures the country in days and in climate zones, not in one city circuit. Patagonia explains why the port is not the house. The Andes explain why the western border is not a random line on a plain, but a mountain range with a neighbour behind it.

The capital is a port. The country is the road south from that port.

— TerraTally · Countries desk

Spanish, the peso, and a map beyond the shore

Spanish is the language of the federation. In the northeast, on the border with Paraguay, Guaraní is a spoken language and, in Corrientes Province, recognised in provincial law. The pair on the country's language list is therefore not a whim of the capital. It belongs to the edge where Argentina stops being only a Spanish-speaking state of the pampa. The peso is the money of this whole wedge, from the bay to Tierra del Fuego. One currency for several climate zones is already a hint of the length.

In its first transitory provision the constitution records a claim to the Malvinas, South Georgia and the South Sandwich Islands. The islands are administered by the United Kingdom. This profile does not judge the claim. It records that the state's own legal map does not end at the continental shore, and that the administration is another state's. The wedge to the south therefore also has a maritime continuation in the text, not only Patagonia on the mainland.

Argentina is a capital on the estuary, attached to a long country. Buenos Aires explains the door. Patagonia and the Andes explain why the door is not the house.