Chile is a republic in south-western South America, bordered on the north by Peru, on the east by Bolivia and Argentina, and on the south and west by the Pacific Ocean. It has an extreme northern-southern length of approximately 4270 km (about 2650 mi), but its average width is less than 180 km (110 mi). Archipelagos extend along the southern Chilean coast from Chiloé Island to Cape Horn, the southernmost point of the South American continent. Among these are the Chonos Archipelago, Wellington Island, and the western portion of Tierra del Fuego. Other islands belonging to Chile include the Juan Fernández Islands, Easter Island, and Sala y Gómez, all of which lie in the South Pacific. The country has a total area of 756,626 sq km (292,135 sq mi). Chile also claims a section of Antarctica. The country's capital and largest city is Santiago.