Haa Alif Atoll - officially referred as Northern Thiladhunmathi Atoll, is the northernmost administrative division of the Maldives. It includes Ihavandhippolhu, the northernmost natural atoll of the Maldive archipelago, as well as a section of the larger Thiladhunmathi or Tiladummati Atoll.
In total Haa Alif Atoll contains 42 islands, 14 of which are inhabited.At present there are three Tourist resorts in the atoll. North Thiladhunmath is third largest atoll in the Maldives in terms of population and land area.
The Atoll being the north tip of the Maldives, it is the closest to Sri Lanka and India.