Indonesia

Population: 254 million (2014)

Geography: The largest islands in Indonesia are Sumatra, Java and Bali. Indonesia is part of the 'ring of fire' as it has the world's largest number of active volcanoes.

Climate: Mostly tropical across all the islands. The main variable in Indonesian weather is rainfall, not temperature.

World heritage sites: Komodo National Park, Sumatran Tropical Rainforest, Lorentz National Park

Capital city: Jakarta

Languages: Malay, Javanese, Sundanese, Madurese

Official language: Indonesian

Political system: Unitary presidential constitutional republic

Value of Australian exports: AUD$14.6 billion in 2012

Australia and Indonesia

Department of Foreign Affairs and Trade fact sheets, country briefs and travel advisory information

Australian Embassy in Jakarta

Indonesian Embassy in Canberra

Indonesia-Australia Comprehensive Economic Partnership Agreement negotiations

Indonesia in the media

The Jakarta Post

The Jakarta Globe

BBC country profile

The Economist topic index

CIA World Factbook

Indonesia news and facts from The New York Times