Every year about 60,000 U.S. citizens visit Nicaragua, primarily business people, tourists, and those visiting relatives. Some 5,300 people from the U.S. reside in Nicaragua. The majority of tourists who visit Nicaragua are from the U.S., Central or South America, and Europe. According to the Ministry of Tourism of Nicaragua (INTUR), the colonial cities of León and Granada are the preferred spots for tourists. Also, the cities of Masaya, Rivas and the likes of San Juan del Sur, El Ostional, the Fortress of the Immaculate Conception, Ometepe Island, the Mombacho volcano, and the Corn Islands among other locations are the main tourist attractions. In addition, ecotourism, sport fishing and surfing attract many tourists to Nicaragua.