Central Borneo is one of the greatest states in Republic of Indonesia with region number 153564 km2 or third by amount Borneo Island, or adequate to Java and Madura Island. Almost of it’s jungle (80%), swamplands, rivers and agribusiness land. The northerly field is hilly and hard to reach. The central area is compact and productive tropic forest, making of value commodities such rattan, resin and the better woods. The southern area is boggy and has a lot of rivers. The bounds from this state are:
North side: West Borneo and East Borneo
Side South: Java ocean and South Borneo
Westside: West Borneo

TRIBES
The 3 big Dayak tribes who domicile this state are Ngaju, Ot Danum, and Ma’anyan Ot Siang. Ngaju, as if another tribes, moves from one region to another. They adhere to the old Kaharingan religious belief, which is the form of ancestor hero-worship, mixed with animism elements. They’ve seen advance. Many of them live in the towns, have enjoyed an education and they’re intelligent.

The Ot Danum live in longhouses, which occasionally have as many as fifty rooms. The unique longhouse is known as Betang. With around 6,000 people, the Ot Danum is the biggest among the 3 tribes. They’re known for their skill in braiding rattan, palm leaves, and bamboo. Made by the women, such as productions are sold in several cities such Banjarmasin, Kualakapuas, and Sampit. As if other Dayaks, the men are good hunters, using simple tools. The art of Central Borneo clearly endures the marks of the Kaharingan religious belief, which is the traditional belief of the Dayaks in the hinterland of Central Borneo. The construction styles are the elements of the Hindus, Chinese, and Hindu-Javanese. Apart by their aesthetical properties, such as products are valued for their magic appraise.