French Guiana (French: Guyane française, IPA: [ɡɥijan fʁɑ̃sɛz]; officially just Guyane) is an overseas region of France, consisting of a single overseas department (French: département d'outre-mer, or DOM) located on the northern Atlantic coast of South America. It has borders with two nations, Brazil to the east and south, and Suriname to the west. Its 83,534 km² have a very low population density of less than three inhabitants per km², with almost half of its 229,000 people in 2009 living in the urban area of Cayenne, its capital. French Guiana's currency is the euro.