The Moscos Islands are an island chain in the Andaman Sea off the northern coast of the Tanintharyi Region of southern Myanmar.
The islands are administered from the Dawei District of the Taninthayi Division. No tourism is allowed on any of the islands.
Tanintharyi Region, formerly Tenasserim Division and Tanintharyi Division, is a region of Myanmar, covering the long narrow southern part of the country on the northern Malay Peninsula, reaching to the Kra Isthmus. It borders the Andaman Sea to the west and the Tenasserim Hills, beyond which lie Thailand, to the east. To the north is the Mon State. There are many islands off the coast, the large Mergui Archipelago in the southern and central coastal areas and the smaller Moscos Islands off the northern shores. The capital of the division is Dawei (Tavoy). Other important cities include Myeik (Mergui) and Kawthaung. The division covers an area of 43,344.9 square kilometres (16,735.6 sq mi), and had a population of 1,406,434 at the 2014 Census.