Ushuaia is the capital of Tierra del Fuego, Antártida e Islas del Atlántico Sur Province, Argentina. It is commonly regarded as the southernmost city in the world. Ushuaia is located in a wide bay on the southern coast of Isla Grande de Tierra del Fuego, bounded on the north by the Martial mountain range, and on the south by the Beagle Channel. It is the only municipality in the Department of Ushuaia, which has an area of 9390km2. It was founded October 12 of 1884 by Augusto Lasserre and is located on the shores of the Beagle Channel surrounded by the mountain range of the Martial Glacier, in the Bay of Ushuaia. Besides being an administrative center, it is a light industrial port and tourist hub.ToponymyThe word Ushuaia comes from the Yaghan language: ush and waia ("bay" or "cove") and means "deep bay" or "bay to background". The act creating the subprefecture in 1884 cites the name "Oshovia", one of the many orthographic variations of the word. Its demonym is "Ushuaiense".The name is often pronounced "u-sua-ia", an exception to the orthographic rules of Spanish, since the 's' forms a syllable with the following 'u' despite the intervening 'h'. The pronunciation "Usuaía" (accented on the 'i') is erroneous: the prosodic accent is on the first 'a', which is why the word is written without an accent mark.