- a group of islands in the SW Pacific, N of New Guinea: part of Papua New Guinea. About 800 sq. mi. (2,070 sq. km).
- a group of about 40 volcanic and coral islands in the SW Pacific, part of Papua New Guinea, in the Bismarck Archipelago: main island: Manus. Pop (whole province): 43 589 (2000). Area: about 2000 sq km (800 sq miles)
