Argentina (full name, Argentine Republic) covers an area of approximately 2.8 million sq km with a terrain consisting of Pampas plains in the north, flat to rolling plateau in the south, and the Andes along the western border. Argentina borders Bolivia, Brazil, Chile, Paraguay and Uruguay, and has 4,989 km of coastline. The country is divided into 23 provinces (Buenos Aires, Catamarca, Chaco, Chubut, Cordoba, Corrientes, Entre Rios, Formosa, Jujuy, La Pampa, La Rioja, Mendoza, Misiones, Neuquen, Rio Negro, Salta, San Juan, San Luis, Santa Cruz, Santa Fe, Santiago del Estero, Tierra del Fuego - Antartida e Islas del Atlantico Sur and Tucuman) and one autonomous city (Buenos Aires Capital Federal). Buenos Aires is the capital, with a time difference of 3 hours behind that of GMT. The currency is the peso, and exports include food, live animals, mineral fuels, cereals and machinery. The population of approximately 41,000,000 people comprises an ethnic makeup that is 97% white (mostly Spanish and Italian). The primary language is Spanish, and the predominant religion is Christianity.