Brazil and Argentina.
It borders with the Uruguay River that separates it from Argentina in the east, Brazil in the north and north-west, the estuary "Río de la Plata" (River Plate) in the south and south-east and the Atlantic Ocean in the south-west.
Uruguay's bordering countries are Brazil to the North and Argentina to the West. The border with Argentina follows the route of the Uruguay River. Uruguay also has a coastline along the Atlantic Ocean.
Ecuador and Uruguay both have two bordering countries
Uruguay
Yes, the Uruguay river to the west, Rio de la Plata, and the Atlantic Ocean are a few.
Argentina's neighbouring countries are Chile, Bolivia, Paraguay, Brazil and Uruguay
Paraguay, Brazil, Bolivia, Uruguay and Chile share borders with Argentina.
Neighboring nations (bordering countries).
UraguayParaguayArgentinaBoliviaPeruEcuadorFrench GuianaSurinameGuyanaVenezuelaColombia
Syria
England, and only England.
manks
Uruguay joined The United Nations on December 18, 1945.