Ushuaia (in Spanish, /u'ʃwaia/ in English)'s the capital of the Argentine province of Tierra del Fuego. It's commonly regarded as the southernmost city in the world. Ushuaia's located in a wide bay on the southern coast of the island of Tierra del Fuego, bounded on the north by the Martial mountain range and on the south by the Beagle Channel. Its population's estimated today at about 64,000. It's the only municipality in the Department of Ushuaia, which has an area of . Description The ci… (More on Ushuaia)