Last reviewed: September 2, 2026
Indonesia is listed in South-Eastern Asia, within Asia. Its capital is Jakarta. This page brings together the most commonly needed identifiers and geography facts in one place, with links to related reference lists.
Where is Indonesia?
For broad geographic classification, Indonesia is grouped under Asia and the subregion South-Eastern Asia. Regional labels can vary between statistical and geographic organizations, so this site uses one consistent classification for browsing rather than claiming there is only one valid convention.
What are the country codes for Indonesia?
The ISO-style two-letter code shown on this page is ID, while the three-letter code is IDN. Two-letter codes are especially common in software, forms and country-code domains; three-letter codes are useful where a more recognizable abbreviation is preferred. See our country code guide for context.
Borders and nearby geography
Indonesia has the following land-border entries in our source dataset: Timor-Leste, Malaysia, Papua New Guinea. Island states and countries without a land frontier may show no land borders even though they have maritime neighbors.