Than Kyun or Davis Island is an island at the southern end of the Mergui Archipelago, Burma. It is the largest and highest island of the Alladin Islands, a scattered cluster of islands extending to the W and SSW of Zadetkyi Island. This densely wooded island has two main peaks, each with a height of around . The island has a roughly round shape with a diameter of about . Off its eastern shore rises a rock surrounded by a reef. Than Kyun lies west of the southern end of Zadetkyi Island.Prostar Sailing Directions 2005 India & Bay of Bengal Enroute By National Geospatial-intelligence Agency

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