There are numerous rivers - one named Uruguay River. The link below will give you further information.
subtropical
The ceibo.
what are uruguay's terrain
Argentina
Brazil, Paraguay and Argentina.
The physical feature that forms Uruguay's western boundary with Argentina is the Uruguay River. It also forms part of the Brazilian-Argentine border.
Oscar tabarez
Sky-blue.
Monday to Friday.
The 25th of August (1825).
If you mean currency? Its Uruguayan Peso ! Hope That is what you meant!
Uruguay has no official religion. All religions are accepted.