Linked from
The 6 pages that link to Uruguay River, each with the reason it gives.
UruguayRelated: It gives the country its name and marks a major western border.
Río de la PlataRelated: Its waters meet the Paraná at the estuary’s head.
Paraná RiverRelated: Its confluence with the Paraná creates the river’s Atlantic outlet.
Corrientes ProvinceRelated: It marks much of Corrientes Province’s eastern boundary.
Entre Ríos ProvinceRelated: It bounds Entre Ríos to the east and links the province to Uruguay.
Misiones ProvinceRelated: It marks much of Misiones’ eastern boundary with Brazil.