The Dominican Republic is located in the Caribbean Sea and shares the island Hispaniola with Haiti. The official language is Spanish, but dialects are spoken across the country. Santo Domingo de Guzmán, is the capital and largest city. The Dominican Republic is the most popular tourist destination in the Caribbean Sea and provides tax incentives for investments. The main imports are petroleum, food, and manufactured goods. Other top exports include ferronickel and raw sugar. Historically, the United States has been the largest investor in the country.