Almost the entire population lives in continental Chile, which extends from 17°30’ S, at the border with Peru and Bolivia, to the Diego Ramírez Islands at 56°30’ S. The maximum width of 445 kilometers is at 52°21’ S, at the Strait of Magellan, whilst the minimum width is at 31°37’ S between Punta Amolanas and Paso de la Casa de Piedra.