Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, by Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America (with Chile) that does not have a border with Brazil. The country also includes the Galápagos Islands in the Pacific, about 965 kilometres (600 mi) west of the mainland. Ecuador straddles the equator, from which it takes its name, and has an area of 256,371 square kilometres (98,985 sq mi). Its capital city is Quito; its largest city is Guayaquil.