what is Uruguay's hemisphere
From Wikipedia, the free encyclopedia. Uruguay is a country in Southern South America, bordering the South Atlantic Ocean, between Argentina and Brazil. It is located in the Southern Hemisphere on the Atlantic seaboard of South America between 53 and 58 west longitude and 30 and 35 south latitude.ruguay is the smallest Spanish-speaking nation in South America with a land area of 173,620 km 2 (67,035 sq mi) and a water area of 2,600 km 2 (1,004 sq mi).