Which South American country is officially the Oriental Republic?

The story behind the answer

Uruguay is officially the Oriental Republic of Uruguay. In Spanish, its formal name is República Oriental del Uruguay, meaning “Eastern Republic of the Uruguay,” referring to the country’s position east of the Uruguay River.

The word “Oriental” does not describe an Asian connection. It comes from the older regional name Banda Oriental, or “Eastern Bank,” used during the colonial period for lands east of the Uruguay River. The area became a contested frontier between the Spanish and Portuguese empires and later between Argentina and Brazil.

Uruguay declared independence in 1825 after the Thirty-Three Orientals launched an uprising against Brazilian rule. The Treaty of Montevideo established the country as an independent state in 1828, and its first constitution was adopted in 1830. The formal name preserves this geographic and historical legacy.

Uruguay is bordered by Brazil and Argentina and opens onto the Río de la Plata and Atlantic Ocean. “Eastern Republic” is the standard English translation, while “Oriental Republic” closely follows the Spanish wording.

Source: Wikipedia · fact-checked Aug. 2026

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