Gambier is a commune of French Polynesia in the administrative subdivision of the Tuamotu-Gambier Islands. The commune includes the Gambier Islands as well as several atolls in the Tuamotu Archipelago

The Gambier Islands are an archipelago in French Polynesia, located at the southeast terminus of the Tuamotu archipelago. They cover an area of 27.8 km2 or 10.7 sq mi, and are made up of the Mangareva