Trinidad and Tobago–United States relations include Extradition and Mutual Legal Assistance treaties, which have been in force since 1999. An agreement on Maritime Cooperation was signed in 1996. There are large numbers of U.S. citizens and permanent residents of Trinidadian origin living in the United States (mostly in New York and Florida), which keeps cultural ties strong. About 20,000 U.S. citizens visit Trinidad and Tobago on vacation or for business every year, and more than 4,600 American citizens are residents. Principal U.S. Embassy Officials include: The U.S. Embassy for the Republic of Trinidad and Tobago is located in the Capital-city Port of Spain, on the
San Fernando, Trinidad and Tobago competitive rates for wireless service in Trinidad and Tobago and the greater Caribbean. Water and sewerage are under the purview of the Water and Sewerage Authority of Trinidad and Tobago (WASA). San Fernando has a sister city, as designated by Sister Cities International: San Fernando, Trinidad and Tobago San Fernando, officially the City of San Fernando, is the second most populous municipality in Trinidad and Tobago, after Chaguanas and the most populous city. It occupies 19 km² and is located in the southwestern part of the island of Trinidad. It is bounded to the north by the Guaracara River, the