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Government type: constitutional republic
Location: Southern South America, bordering the South Atlantic Ocean, between Argentina and Brazil.
Area: land: 173,620 sq km
Climate: warm temperate; freezing temperatures almost unknown.
Terrain: mostly rolling plains and low hills; fertile coastal lowland.
Population: 3,460,607 (July 2007 est.)
Ethnic groups: white 88%, mestizo 8%, black 4%, Amerindian (practically nonexistent).
Religions: Roman Catholic 66% (less than half of the adult population attends church regularly), Protestant 2%, Jewish 1%, nonprofessing or other 31%
Languages: Spanish, Portuñol, or Brazilero (Portuguese-Spanish mix on the Brazilian frontier)