The Louisiade Archipelago is comprised of five main island groups that contain over 300 islands - Misima Island, Deboyne Island, Yela (Rossel) Island and Tagula (Sudest) Island, and Bwanabwana Group in the west. The archipelago spans Logea, Kwato, and Samarai islands in the west all the way to Sudest (Tagula) Island in the east, with Conflict Islands, Misima Island, and many others in between. Some 50,000 indigenous people live in these islands. These amazing islands are home to some interesting natural wonders and provide unique experiences and adventures for every family and individual. The area hosts a growing number of maritime and coastal tourism activities.
More in-depth information can be found here on Wikipedia.