the la plata river basin of south america is also known as
Río de la Plata Basin The Río de la Plata basin (Spanish: Cuenca del Plata, Portuguese: Bacia do Prata), more often called the River Plate basin in scholarly writings[1], sometimes called the Platine basin[2] or Platine region,[3] is the 3,170,000-square-kilometre (1,220,000 sq mi)[4] hydrographical area in South America that drains to the Río de la Plata. It includes areas of southeastern Bolivia, southern and central Brazil, the entire country of Paraguay, most of Uruguay, and northern Argentina. Making up about one fourth of the continent's surface, it is the second largest drainage basin in South America (after the Amazon basin) and one of the largest in the world.[5]
Uruguay Uruguay (/ˈjʊərəɡwaɪ/ ( listen);[7] Spanish pronunciation: [uɾuˈɣwai̯]), officially the Oriental Republic of Uruguay (Spanish: República Oriental del Uruguay), is a sovereign state in the southeastern region of South America. It borders Argentina to its west and Brazil to its north and east, with the Río de la Plata (River of Silver) to the south and the Atlantic Ocean to the southeast. Uruguay is home to an estimated 3.44 million people,[2] of whom 1.8 million live in the metropolitan area of its capital and largest city, Montevideo. With an area of approximately 176,000 square kilometres (68,000 sq mi), Uruguay is geographically the second-smallest nation in South America,[8] after Suriname.