12 nations make up the continent of South America in the Western Hemisphere. Among them are 5 small countries in South America that we shall be discussing.
In most of South America, Spanish is the official language. However, there are also many speakers of other languages, such as Portuguese. Brazil, Argentina, and Peru are the three largest nations on the continent.
These are the top 5 smallest countries in South America.
Suriname, 163,820 Sq Km

As the smallest state in South America, Suriname has a territory that is 63,252 square miles in size. It shares land borders with Guyana, French Guiana, and Brazil, and it has an Atlantic coastline. Since 1975, Suriname, a former Dutch colony, has been a sovereign nation.
Uruguay, 181,034 Sq Km

With a landmass of just 69,898 square miles, Uruguay is the smallest country in South America. In addition to the Rio de la Plata and the Atlantic Ocean to the south and southeast, it has borders with Brazil and Argentina.
Guyana, 214,969 Sq Km

Guyana has an area of 83,000 square miles and a population of 735,909. It is situated in continental South America but is also considered to be a part of the Caribbean.
Ecuador, 276,841 Sq Km

Ecuador is the fourth-smallest nation in South America. Along with its Pacific Coast, it has borders with Colombia and Peru.
Paraguay, 406,750 Sq Km

The fifth-smallest nation in South America is Paraguay. Although it is a landlocked nation, it is not one of the biggest in the globe. Argentina, Bolivia, and Brazil are on Paraguay’s borders.
Conclusion
Suriname has an area of 63,252 square miles, making it the smallest country in South America. Guyana, Brazil, and French Guiana are the nations that border it.
Other tiny countries in South America are Paraguay, Ecuador, and Uruguay.