Port of Spain is the capital of a landlocked country.
A landlocked state or landlocked country is a sovereign state entirely enclosed by land , or whose only coastlines lie on closed seas . Paraguay ( [ ˈpærəɡwaɪ ] [ paɾaˈɣwai̯ ] ; Paraguái , [ paɾaˈɣwaj ] ) , officially the Republic of Paraguay ( [ República del Paraguay , links = no ] [ Tetã Paraguái , links = no ] ) , is a landlocked country in central South America , bordered by Argentina to the south and southwest , Brazil to the east and northeast , and Bolivia to the northwest . 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 . 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 .