a republic in the Caribbean, occupying the eastern half of the island of Hispaniola: colonized by the Spanish after its discovery by Columbus in 1492; gained independence from Spain in 1821. It is generally mountainous, dominated by the Cordillera Central, which rises over 3000 m (10 000 ft), with fertile lowlands. Language: Spanish. Religion: Roman Catholic majority. Currency: peso. Capital: Santo Domingo. Pop: 10 766 998 (2017 est). Area: 48 441 sq km (18 703 sq miles)