Ushuaia (Spanish pronunciation: [uˈswaʝa], English: /uːˈʃwaɪ.ə/) is the capital city of Tierra del Fuego 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 9,390 km (3,625 sq mi).