Trinidad and Tobago is an archipelagic state in the southern Caribbean, lying northeast of the South American nation of Venezuela and south of Grenada in the Lesser Antilles. It also shares maritime boundaries with Barbados to the northeast and Guyana to the southeast.

The country covers an area of 5,128 square kilometres (1,979 sq mi) and consists of two main islands, Trinidad and Tobago, plus 21 smaller islands. Trinidad is the larger and more populous of the main islands; Tobago is much smaller, comprising about 6% of the total area and 4% of the population.