Complex sentence: Daru Island is an island in the Western Province of Papua New Guinea, the town on the island goes by the same name and is the capital of the Province, housing the vast majority of its population of 20,524 (2009).
Split into simpler sentences: Daru Island is an island in the Western Province of Papua New Guinea. The eponymous town on the island is the capital of the province, and houses the vast majority of the island's population of 20,524 (2009).