Atoll of an atoll is very small in comparison to the total area. Atoll islands are low lying, with their elevations less than 5 meters (9). Measured by total area, Lifou (1146 km²) is the largest raised coral atoll of the world, followed by Rennell Island (660 km²). More sources however list as the largest atoll in the world in terms of land area Kiritimati, which is also a raised coral atoll (321.37 km² land area; according to other sources even 575 km²), 160 km² main lagoon, 168 km² other lagoons (according to other sources 319 km² total lagoon size). The
Kaafu Atoll do not form part of the Kaafu Atoll administrative division and are a separate administrative division. Kaafu is a code letter of the Thaana alphabet used in the Maldivian language, Dhivehi, assigned to one of the administrative divisions of the Maldives which is officially and traditionally known by the name Malé Atoll. The Thaana alphabet code names are not the names of the natural or geographical atolls of the Maldives which make up these divisions. These administrative divisions may consist of part of, a single or several natural atolls. Malé Atoll is the name of two natural atolls which form