There are more than 1.4 million people living there. The nation's capital is Port of Spain. San Fernando is the most populated city, with over 50,000 residents. Arima and Couva are two more significant cities. Piarco International Airport (POS) is the biggest airport in the nation. The airport offers connections to the USA, Europe, and other regional locations. The largest airline in the area, national carrier Caribbean Airlines, is based out of the airport. Numerous national traditions of the immigrant populations continue to have a profound influence on Trinidadian culture today.Christians make up the bulk of the population. English is the official language. The English common law serves as the foundation for the Trinidadian legal system. The Supreme Court reviews legislative acts. There is a parliamentary republican system of governance. Currently, Prime Minister Keith Rowley holds the position of head of government, while President Paula-Mae Weekes serves as chief of state. Every five years, there are elections. The Trinidad and Tobago dollar (TTD), which is now valued at TTD 6.7 to the US dollar, is the official currency. With an open economy, the nation produces a GDP of about $45 billion. As a result, it now ranks 18th among the economies of the Caribbean and Latin America. The per capita income of its people is $32,684. The services and industries sectors account for the majority of the GDP. The oil and gas sector is very important to the economy. That industry generates 40% of the GDP. Additionally, Trinidad and Tobago is home to the biggest natural gas liquification plant in the world. Trinidad and Tobago is a highly sought-after travel destination. There are many different urban and rural tourist destinations across the nation. Large beaches and natural surroundings are its main draws... The county has no UNESCO World Heritage Sites. Major locations include Pigeon Point, Port of Spain, Asa Wright Nature Center, Maracas Bay, Englishman's Bay, and the Caroni Bird Sanctuary. Approximately 480,000 tourists visit Trinidad and Tobago annually, the bulk of them are from North America.