Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies 11 km (6.8 mi) off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmost island in the West Indies. With an area of 4,768 km2 (1,841 sq mi), it is also the fifth largest in the West Indies.

Trinidad and Tobago, officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean. Consisting of the main islands Trinidad and Tobago and numerous much smaller islands, it is situated 11 kilometres off the coast of northeastern Venezuela and 130 kilometres south of Grenada. It shares maritime boundaries with Barbados to the east, Grenada to the northwest and Venezuela to the south and west. Trinidad and Tobago is generally considered to be part of the West Indies. The island country's capital is Port of Spain, while its largest and most populous municipality is Chaguanas.