Rapa, also called Rapa Iti, or “Little Rapa”, to distinguish it from Easter Island, whose Polynesian name is Rapa Nui, is the largest and only inhabited island of the Bass Islands in French Polynesia. An older name for the island is Oparo. The total land area including offshore islets is 40.5 km2 (15.6 sq mi).: 205 As of the 2022 census, Rapa had a population of 451. The island’s highest point is at 650 metres (2,130 ft) elevation at Mont Perahu.: 243 Its main town is Ahuréi. The inhabitants of Rapa Iti speak their own Polynesian language called the Rapa language.
Rapa Iti is located at 27°35′00″S 144°20′00″W. It is shaped roughly like a Greek final sigma (ς), with a well-protected central bay, surrounded by a ring of relatively high mountains. The whole island appears to be the peak of a sinking volcano, with the bay as well as the caldera. The area of the main island is 38.5 km2. Little Rapa Tauturau is an offshore island.