Saint John (Danish: Sankt Jan) is one of the Virgin Islands in the Caribbean Sea and a constituent district of the United States Virgin Islands (USVI), an unincorporated territory of the United States. Saint John (50 km² (19 sq mi)) is the smallest of the three main US Virgin Islands.  It is located about four miles east of Saint Thomas, the location of the territory’s capital, Charlotte Amalie. It is also four miles southwest of Tortola, part of the British Virgin Islands. Its largest settlement is Cruz Bay with a population of 2,652.^[5] Saint John’s nickname is Love City. Since 1956, approximately 60% of the island has been protected as Virgin Islands National Park, administered by the United States National Park Service.^[7] The economy is based predominantly on tourism and related trade.  Saint John is 50.8 km (19.6 sq mi) in area with a population of 3,881 (2020 census).  As of the 2020 U.S. Census, the total population of the US Virgin Islands territory was 87,146,comprising mostly persons of Afro-Caribbean descent. The US Virgin Islands are the only United States territory that drive on the left side of the road.