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
Haa Alif Atoll to visit each other's islands. Marriage alliances were common. Now Minicoy is a part of India and communication is highly restricted. As an administrative division, North Thiladhunmathi Atoll was created when the huge natural Thiladhunmathi Atoll was administratively divided into northern and southern divisions in 1958. Haa Alif Atoll Haa Alif Atoll is the code name based on the letters of the Maldivian alphabet commonly used to refer to the administrative division officially known as North Thiladhunmathi Atoll (Maldivian: "Thiladhunmathi Uthuruburi") in the Maldives. It is the northernmost of the 19 administrative divisions (known as "Atolls") of the country, and