Query: Port of Spain is the capital of an island.

Relevant passages:
Port of Spain <=SEP=> Port of Spain is the capital city of the Republic of Trinidad and Tobago and the country 's third-largest municipality , after Chaguanas and San Fernando . The city has a municipal population of 37,074 ( 2011 census ) , a metropolitan population of 128,026 ( 1990 unofficial estimate ) and a transient daily population of 250,000 . It is located on the Gulf of Paria , on the northwest coast of the island of Trinidad and is part of a larger conurbation stretching from Chaguaramas in the west to Arima in the east with an estimated population of 600,000 .   The city serves primarily as a retail and administrative centre and it has been the capital of the island since 1757 . It is also an important financial services centre for the Caribbean and is home to two of the largest banks in the region .   Port of Spain was also the de facto capital of the short-lived West Indies Federation , which united the Caribbean . Caricom was established in Chaguaramas , west of Port of Spain .   The city is also home to the largest container port on the island and is one of several shipping hubs of the Caribbean , exporting both agricultural products and manufactured goods . Bauxite from Guyana is trans-shipped via facilities at Chaguaramas , about 5 mi west of the city . The pre-lenten Carnival is the city 's main annual cultural festival and tourist attraction .   Today , Port of Spain is a leading city in the Caribbean region . Trinidad and Tobago hosted the Fifth Summit of the Americas in 2009 whose guests included US President Barack Obama and US Secretary of State Hillary Clinton .   Port of Spain is also home to the biggest and most successful stock exchange in the Caribbean , the Trinidad and Tobago Stock Exchange ( TTSE ) . The iconic Nicholas Tower , as well as other skyscrapers , are well known throughout the region . These buildings dominate the city 's skyline . Some of the tallest skyscrapers in the Caribbean are located in Port of Spain .

Trinidad and Tobago <=SEP=> Trinidad and Tobago ( -LSB- ˈtrɪnᵻˌdæd_ən_təˈbeɪɡoʊ -RSB- , -LSB- - toʊˈ - -RSB- ) , officially the Republic of Trinidad and Tobago , is a twin island country situated off the northern edge of the South American mainland , lying just 11 km off the coast of northeastern Venezuela and 130 km south of Grenada . Bordering the Caribbean to the north , it shares maritime boundaries with other nations including Barbados to the northeast , Grenada to the northwest , Guyana to the southeast , and Venezuela to the south and west .   The island of Trinidad was a Spanish colony from the arrival of Christopher Columbus in 1498 to the capitulation of the Spanish Governor , Don José María Chacón , on the arrival of a British fleet of 18 warships on 18 February 1797 . During the same period , the island of Tobago changed hands among Spanish , British , French , Dutch and Courlander colonizers , more times than any other island in the Caribbean . Trinidad and Tobago ( remaining separate until 1889 ) were ceded to Britain in 1802 under the Treaty of Amiens . The country Trinidad and Tobago obtained independence in 1962 , becoming a republic in 1976 .   Trinidad and Tobago is the third richest country by GDP ( PPP ) per capita in the Americas after the United States and Canada . Furthermore , it is recognised as a high-income economy by the World Bank . Unlike most of the English-speaking Caribbean , the country 's economy is primarily industrial , with an emphasis on petroleum and petrochemicals . The country 's wealth is attributed to its large reserves and exploitation of oil and natural gas .   Trinidad and Tobago is known for its Carnival and is the birthplace of steelpan , limbo , and the music styles of calypso , soca , parang , chutney , chutney soca , chut-kai-pang , cariso , extempo , kaiso , parang soca , pichakaree , and rapso .