Why it's the capital
By 1757 the old capital, San José de Oruña, about 11 km inland, had fallen into disrepair, so Governor Don Pedro de la Moneda moved his seat to Port of Spain. It has been the island's capital ever since.
Capital of Trinidad and TobagoPort of Spain is on the north-west coast of the island of Trinidad, on the Gulf of Paria, the calm bay between Trinidad and Venezuela. It lies between the gulf, the Northern Range and the Caroni Swamp.
By 1757 the old capital, San José de Oruña, about 11 km inland, had fallen into disrepair, so Governor Don Pedro de la Moneda moved his seat to Port of Spain. It has been the island's capital ever since.
Trinidad is the island just off the coast of Venezuela. Port of Spain is on its north-west corner, facing the Gulf of Paria.
Sources: Wikipedia: Port of Spain