Uruguay (the country) is named like that because of the name of the river that separates it from Argentina. Uruguay's (the country) full name is "República Oriental del Uruguay" which means "Eastern Republic of the Uruguay", because of its location in respect of the same-called river.
The Uruguay River name comes from the Spanish settlers' interpretation of the word the locals used to designate it. The original name, Urugua'ý, in Guaraní, means "river of the painted birds".
Wikipedia - Uruguay: Guarani language for "River where the painted birds live".
The Oriental Republic of Uruguay is named after its geographic location to the east of the Uruguay River.The word Uruguay, coming from the Guarani language, means "river where the painted birds live".Source: Wikipedia.
Orientales.
Jordan Uruguay
A British Lord worked as intermediate between Argentina and Brazil to fix the dispute over the territory where now Uruguay is. The result of this treaty was the creation of a new country at the east of the Uruguay River (that's why Uruguay full name is "República Oriental del Uruguay", what means Eastern Republic of Uruguay). This Lord was named John Ponsonby.
Uruguay
Fructuoso Rivera from the Colorado Party (this political party still exists in Uruguay and was the third in votes in the last two national elections). The largest avenue in Montevideo (Uruguay's capital) has its name and a department (one of Uruguay "provinces") was named after his last name.
It means "purple land" . It is named for the wildflowers that once covered the local hills.
There are numerous rivers - one named Uruguay River. The link below will give you further information.
In Uruguay. On flagpoles On products from Uruguay The UN building Embassies of Uruguay
The Uruguay River that borders Uruguay with Argentina.
The Uruguay River
Colonia Del Sacramento in Uruguay is a city in the southwestern part of the country. It is one of the oldest towns in Uruguay. The town is known for it's rich history and is named a World Heritage Site. It was founded already in 1680 by Portugal but has exchanged ownership many times through history.