Costa Rica, officially the Republic of Costa Rica (Spanish: República de Costa Rica), is a country in Central America, bordered by Nicaragua to the north, Panama to the southeast, the Pacific Ocean to the west, the Caribbean Sea to the east, and Ecuador to the south of Cocos Island. It has a population of around 4.9 million, in a land area of 51,060 square kilometers (19,714 square miles); over 300,000 live in the capital and largest city, San José, which had a population of an estimated 333,980 in 2015.