, or also called Obira Island, is the largest island in the Obi Islands archipelago. Obi Island is surrounded by many small islands, including Obilatu Island, Bisa Island, Gata-gata Island, Latu Island, Woka Island, and Tomini Island. Obi Island is bordered by the Maluku Sea to the west, the Seram Sea to the south, and the Obi Strait to the north and east. The major islands closest to Obi Island are Bacan Island to the north and Ambon to the south. The topography of Obi Island is generally in the form of hills with a short coastline. The hilly surface conditions result in many springs and rivers. Lake Kapi, in the west, is the largest lake on Obi Island.
Administration
Obi Island is part of South Halmahera Regency. It is directly bordered by Maluku Province in the south and West Papua Province in the east. The total area of the islandi is. Obi Island and surrounding small islands are divided into several sub-districts and each sub-district is divided into several villages, with villages further subdivided into hamlets.
Demographics
The population of the Obi Island is approximately 35,000 people with a population density of 15 people per square kilometer, per Indonesian Department of Population and Civil Registry data for South Halmahera in 2010. All inhabitants on the Obi Island are migrants, as these island had no native population. The first groups to settle on Obi Island was the Buton, followed by immigrants from Tobelo-Galela, Ternate, Tidore, Makian-Kayoa, Bugis, Makassar and Java. Almost all of the residents are scattered along the coast with the highlands mostly uninhabited jungle. However, there are some worker settlements in hilly areas which have mines and temporary settlements for clove farmers used during clove harvesting season. Infrastructure, especially in terms of modern medical facilities, is lacking. The languages spoken on the islands are Galela and Tobelo, which belong to the West Papuan language family.
Economy
The dominant plantation products in the Obi Islands are cloves, nutmeg, coconut and pepper. The main economic potential of the islands s in the mining sector. The island has resources of gold, coal, nickel, cement, and petroleum. In 2016, provincial governorAbdul Ghani Kasuba successfully negotiated for the China-based Jinchun Group to build a nine-trillion rupiah nickel smelter on the main island.
