Indonesia is the world's largest archipelago — over 17,000 islands — and the fourth most populous country, where Java alone hosts more than half the population and active volcanoes loom over Bali, Sumatra and Sulawesi.
Geography & landscape
Indonesia sits in South-Eastern Asia, in the southern hemisphere of Asia. With an area of approximately 1,904,569 km², it is a continental-scale country, set in the southern hemisphere and exposed to the tropical climate band typical of its latitude. Its capital, Jakarta, lies near coordinates -5°, 120°.
The country shares the cultural and geographic context of Asia, with neighbouring states and trade routes shaped by its position in the wider South-Eastern Asia region. Topography, watersheds and coastline (where present) define the practical realities of agriculture, settlement and transport across Indonesia.
People & society
The population of Indonesia is around 275M. Communities, dialects and customs vary by region, and the country’s sense of identity is shaped by its history, its borders and the everyday rhythms of its towns and cities.
The official language is Indonesian, used in government, education and most public life. Regional dialects, minority languages and immigrant communities add further linguistic texture.
Government & politics
Indonesia is structured as a presidential republic. Political authority is exercised through institutions based primarily in Jakarta, with the head of state and head of government performing constitutional roles defined by the country’s legal framework. Domestic policy, foreign relations and the administration of public services all flow from this constitutional core.
Economy & currency
The official currency of Indonesia is the Indonesian Rupiah (IDR). Monetary policy, banking, taxation and trade are managed nationally, often in coordination with regional and international institutions. Major economic activity tends to cluster around Jakarta and other principal urban centres, with secondary economies built on the country’s natural resources, manufacturing capacity and service industries.
Culture & everyday life
The cultural footprint of Indonesia shows up in cuisine, music, sport, religious life, festivals and design. National holidays mark the country’s historical pivots; family meals, café culture and street life follow patterns rooted in geography and tradition. International audiences usually meet Indonesia through its sport, its music, its food, or the global diaspora that carries those things abroad.
Travel essentials
The capital, Jakarta, is the natural starting point for first-time visitors. International dialling uses the country code +62, and clocks are set to the Various (UTC+7 to UTC+9) time zone. ISO standards identify Indonesia as ID (alpha-2) and IDN (alpha-3) — useful when booking flights, decoding number plates, or matching customs paperwork. The flag, 🇮🇩, appears at every border post and on every passport.
By the numbers
Sort or filter the table below to compare key metrics at a glance.
| Metric | Value | Unit / Note |
|---|---|---|
| Capital city | Jakarta | — |
| Continent | Asia | — |
| Sub-region | South-Eastern Asia | — |
| Population | 275M | people |
| Area | 1,904,569 | km² |
| Currency | Indonesian Rupiah (IDR) | — |
| Calling code | +62 | international dialling |
| Time zone | Various (UTC+7 to UTC+9) | standard time |
| Government type | Presidential republic | — |
| ISO 3166 alpha-2 | ID | 2-letter code |
| ISO 3166 alpha-3 | IDN | 3-letter code |
| Latitude | -5 | degrees |
| Longitude | 120 | degrees |
Did you know?
Indonesia spans more than 17,000 islands across three time zones, of which only around 6,000 are permanently inhabited.
