Taiaro, or Maro-taua, is a small atoll in the west of the Tuamotu group in French Polynesia. It is one of the smallest of the Tuamotu atolls. Taiaro lies 42 km to the northeast of Raraka Atoll.

The Tuamotu Archipelago or the Tuamotu Islands are a French Polynesian chain of just under 80 islands and atolls in the southern Pacific Ocean. They constitute the largest chain of atolls in the world, extending over an area roughly the size of Western Europe. Their combined land area is 850 square kilometres. This archipelago's major islands are Anaa, Fakarava, Hao and Makemo.