Location: Eastern South America, bordering the South Atlantic Ocean between Argentina and Brazil
Land boundaries: total 1,564 km, Argentina 579 km, Brazil 985 km
Coastline: 660 km
International disputes: short section of boundary with Argentina is in dispute; two short sections of the boundary with Brazil are in dispute - Arroyo de la Invernada (Arroio Invernada) area of the Rio Quarai and the islands at the confluence of the Rio Cuareim (Rio Quarai) and the Uruguay
Climate: warm temperate; freezing temperatures almost unknown
Terrain: mostly rolling plains and low hills; fertile coastal lowland
Natural resources: soil, hydropower potential, minor minerals
Irrigated land: 1,100 km2 (1989 est.)
Environment: subject to seasonally high winds, droughts, floods