Port of Spain of the Caribbean, exporting both agricultural products and manufactured goods. Bauxite from Guyana is trans-shipped via facilities at Chaguaramas, about 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
Port of Spain town's population and its geographical extension westwards. From the small cluster of buildings at the foot of the Laventille Hills, eleven streets were laid out west to the area bounded by the St. Ann's River, thus establishing the grid pattern which has survived in downtown Port of Spain to the present day. Along the sea shore was the Plaza de la Marina (Marine Square), a parade ground. By 1786, the town had a population of about 3,000. Realising that the St. Ann's River, prone to flooding, was impeding the expansion of the town, Chacón had its course diverted in 1787