Colombia is not a country.
Brazil ( listen ) , is the largest country in both South America and Latin America . Colombia . Colombia shares a border to the northwest with Panama , to the east with Venezuela and Brazil and to the south with Ecuador and Peru . Costa Rica ( [ kɒstə_ˈriːkə ] [ ˈkosta ˈrika ] ; literally meaning `` Rich Coast '' ) , officially the Republic of Costa Rica ( República de Costa Rica ) , is a country in Central America , bordered by Nicaragua to the north , Panama to the southeast , the Pacific Ocean to the west , the Caribbean Sea to the east , and Ecuador to the south of Cocos Island . Ecuador ( [ ˈɛkwədɔːr ] , [ ekwaˈðor ] ) ( Ikwadur ) , officially the Republic of Ecuador ( [ República del Ecuador , ] , which literally translates as `` Republic of the Equator '' ; Ikwadur Ripuwlika ) , is a representative democratic republic in northwestern South America , bordered by Colombia on the north , Peru on the east and south , and the Pacific Ocean to the west . A republic ( [ res publica , links = yes ] ) is a form of government in which the country is considered a `` public matter '' -- not the private concern or property of the rulers -- and where offices of state are elected or appointed , rather than inherited .