Papua is the largest and easternmost province of Indonesia, comprising most of Western New Guinea. It is bordered by the nation of Papua New Guinea to the east, the province of West Papua to the west, the Pacific Ocean to the north, and the Arafura Sea to the south. According to the 2010 census by Statistics Indonesia, Papua had a population of 2,833,381, majority of whom are Christians. The province is divided into twenty-eight regencies and one city. Its capital and largest city is Jayapura.

The province was formerly called Irian Jaya and comprised the entire Western New Guinea until the inauguration of the province of West Papua in 2003. In 2002, Papua adopted its current name and was granted a special autonomous status by the Indonesian legislation. Puncak Jaya is the province's highest mountain as well as the highest point of Indonesia.

The name "West Papua" was adopted in 1961 by the New Guinea Council until the United Nations Temporary Executive Authority (UNTEA) transferred administration to the Republic of Indonesia in 1963. "West Papua" has since been used by Papuans as a self-identifying term, especially by those demanding self-determination, and usually refers to the whole of the Indonesian portion of New Guinea. The other Indonesian province that shares New Guinea, West Irian Jaya, has been officially renamed as West Papua, or Papua Barat. The entire western New Guinea is often referred to as "West Papua" internationally – especially among networks of international solidarity with the West Papuan independence movement.

Other places; Raja Ampat, Sorong, Merauke, Sentani Lake, Baliem Valey, Koroway tribe, Arfak Mountain, Fak fak, etc.

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