チリ領南極
Puerto Williams (; Spanish for "Port Williams") is the city, port and naval base on Navarino Island in Chile. It faces the Beagle Channel. It is the capital of the Chilean Antarctic Province, one of four provinces in the Magellan and Chilean Antarctica Region, and administers the communes of Chilean Antarctic Territory and Cabo de Hornos. It has a population of 2,874, including both naval personnel and civilians. Puerto Williams claims the title of world's southernmost city.&lt;ref name="http://www.infinito-sur.com"&gt;http://www.infinito-sur.com/ , retrieved 9 April 2012&lt;/ref&gt;