Last reviewed: September 2, 2026
Papua New Guinea is listed in Melanesia, within Oceania. Its capital is Port Moresby. This page brings together the most commonly needed identifiers and geography facts in one place, with links to related reference lists.
Where is Papua New Guinea?
For broad geographic classification, Papua New Guinea is grouped under Oceania and the subregion Melanesia. 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 Papua New Guinea?
The ISO-style two-letter code shown on this page is PG, while the three-letter code is PNG. 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
Papua New Guinea has the following land-border entries in our source dataset: Indonesia. Island states and countries without a land frontier may show no land borders even though they have maritime neighbors.