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.

BWIA West Indies Airways Limited, known locally as "Bee-Wee" and formerly as British West Indian Airways and BWIA International Airways, was the national airline based in Trinidad and Tobago. At the end of operations, BWIA was the largest airline operating out of the Caribbean, with direct service to the United States, Canada, and the United Kingdom. Its main base was Piarco International Airport (POS), Piarco, with major hubs at Grantley Adams International Airport (BGI) and Cheddi Jagan International Airport (GEO) during 2006. It was headquartered in the BWIA Administration Building in Piarco, Tunapuna–Piarco on the island of Trinidad. The company slogan was Sharing our warmth with the world.