Tahiti is the largest island of the Windward group of the Society Islands in French Polynesia. It is located in the central part of the Pacific Ocean and the nearest continental landmass is Australia. Divided into two parts, Tahiti Nui and Tahiti Iti, the island was formed from volcanic activity; it is high and mountainous with surrounding coral reefs. Its population was 189,517 in 2017, making it by far the most populous island in French Polynesia and accounting for 68.7% of its total population; the 2022 Census recorded a population of 191,779.

The Society Islands are an archipelago in the South Pacific Ocean that includes the major islands of Tahiti, Moʻorea, Raiatea, Bora Bora and Huahine. Politically, they are part of French Polynesia, an overseas country of the French Republic. Geographically, they form part of Polynesia.