The Dominican Republic is a sovereign state located in the island of Hispaniola, in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares with the nation of Haiti, making Hispaniola one of two Caribbean islands, along with Saint Martin, that are shared by two countries. The Dominican Republic is the second-largest Caribbean nation by area (after Cuba) at 48,445 square kilometers, and third by population with approximately 10 million people, of which approximately three million live in the metropolitan area of Santo Domingo, the capital city.
The Dominican Republic is the most visited destination in the Caribbean. The year-round golf courses are major attractions. A geographically diverse nation, the Dominican Republic is home to both the Caribbean's tallest mountain peak, Pico Duarte, and the Caribbean's largest lake and point of lowest elevation, Lake Enriquillo. The island has an average temperature of 26 °C and great climatic and biological diversity. The country is also the site of the first cathedral, castle, monastery, and fortress built in the Americas, located in Santo Domingo's Colonial Zone, a World Heritage Site.
Description by Wikipedia