Chile claims Antarctica from 90 degrees west to about 53 degrees west, but its claims are in abeyance. Argentina's and the United Kingdom(1)'s claims overlap Chile's. Only the part west of 80 degrees is undisputed. The claim in formally the Provincia de la Antártica Chilena, part of the Región de Magallanes y de la Antártica Chilena.
claimed by Chile only or by Chile and the UK only
claimed by Chile, Argentina and the UK
Chile and its possessions
Antarctica
(1) Full name: the United Kingdom of Great Britain and Northern Ireland.