Piarco International Airport is an international airport serving the island of Trinidad and is one of two international airports in Trinidad and Tobago. The airport is located 30 km (19 mi) east of Downtown Port of Spain, located in the suburban town of Piarco. The airport is the primary hub and operating base for the country's national airline, as well as the Caribbean's largest airline, Caribbean Airlines.

Tunapuna–Piarco is one of the 9 regions of Trinidad and Tobago. It is the most populous region in the country by total population and the fifth-largest by total land area. Geographically located in Northern Trinidad, Tunapuna–Piarco shares its borders with the regions of San Juan–Laventille to the west, Couva–Tabaquite–Talparo to the south, the Borough of Chaguanas to the south-west, Sangre Grande to the east and the Caribbean Sea to the north. The region also completely surrounds the Royal Chartered Borough of Arima, which is located in the south-eastern corner of the region.