DOMINICAN REPUBLIC Country Information Location 18.7357° N, 70.1627° W Area 48,670 sq km Climate Tropical maritime; little seasonal temperature variation; seasonal variation in rainfall. Geography Rugged highlands and mountains with fertile valleys interspersed. Population 10,349,741 (July 2014 est.) Official Languages Spanish (official) National Tsunami Warning Centre Disaster Management Office National Tsunami Warning Centre Name of Organization - Name of Official - Address - Phone Number - Fax Number - Email Address - Website - Disaster Management Office Name of Organization - Name of Official - Address - Phone Number - Fax Number - Email Address - Website -