Port of Spain, officially the City of Port of Spain, is the capital of Trinidad and Tobago and the third largest municipality, after Chaguanas and San Fernando. The city has a municipal population of 49,867 (2017), an urban population of 81,142 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.