Area : 421,981 sq. km. 
Capital : Jayapura is the capital and the biggest city of this eastern most province. It is a neat and pleasant city , built on the slope of a hill overlooking the bay. General Douglas Mc Arthur's World War II quarters still stand here. The Museum Jayapura is located inside the Cendrawasih University campus. Tanjung Ria beach known as base the Allies during the WW II, is a popular holiday resort with facilities for water sports.

Borders: Pacific Ocean on the north, Arafuru Sea on the south, Papua New Guinea on the east, Province of Maluku on the west. 

Phypsical Features : This province is made up of half of the entire island of Irian (Guinea). The area is covered by a mountain range with steep slopes Warenai, Waipoga, Maro, Kamundan, Abais, and Kumbe. 

Mountains : Jayawijaya with Jaya Peak, Trikora, Yamin, mountain range of Kaimana in Fak-Fak, mountain range of Arfak in Monokwari, mountain range of Ciklops in Jayapura.

Lakes : Sentani, Ronbebai, Paniai and Tigi. 

Humidity : 84%. 

Rainfall : between 2,000-3,000 mm per year.  

Irian Jaya / West Papua is a province in the easternmost, the largest area of Indonesia. It is an area of the world so remote, rugged and diverse but its people can convey such a sense of unity and friendship. You will find them very warm and accommodating. There are over 250 different tribes of Irian Jaya, each with their own language, lifestyle and culture. The traditional of the indigenous in Jayawijaya and Paniai regencies will remind you of the stone age besides those in the coastal areas with their unique and nicest attractions. 

POPULATION
2,219,500 (2000). Density : 6 persons per sq. km (2000).

The original nature still offers you to see the incredible wilderness wonderland with its contents, such as the greatest tract of undisturbed tropical rainforest in the world, the extreme diversity of fauna and flora and one of only three places in the world with equatorial glacier fields. The other unique of Irian Jaya is that Irian Jaya has over 650 different species of birds, among others are birds of paradise, bower birds, crowned pigeons, cassowary, etc., as well as the beauty of the colorful marine life.

Papua is covering by large rainforest growing of about 75% of the area, with thousands of unique flora and fauna. Other prevailing ecosystems include steamy mangrove forest and savannah right through to alpine highlands with snow-capped mountains. Wildlife abounds and includes some of the most interesting creatures known to man. This also holds true with the magical beauty of West Papua's coastal underwater world, which hosts some truly amazing coral reefs