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São Tomé and Príncipe

Democratic Republic of Sao Tome and Principe

Last reviewed: September 2, 2026

São Tomé and Príncipe is listed in Middle Africa, within Africa. Its capital is São Tomé. This page brings together the most commonly needed identifiers and geography facts in one place, with links to related reference lists.

CapitalSão Tomé
RegionAfrica
ISO alpha-2ST
ISO alpha-3STP
Currency code(s)STN
Language code(s)pt
Calling code(s)+239
Country-code TLD.st
Area964 km²

Where is São Tomé and Príncipe?

For broad geographic classification, São Tomé and Príncipe is grouped under Africa and the subregion Middle Africa. 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 São Tomé and Príncipe?

The ISO-style two-letter code shown on this page is ST, while the three-letter code is STP. 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

São Tomé and Príncipe has the following land-border entries in our source dataset: No land borders listed. Island states and countries without a land frontier may show no land borders even though they have maritime neighbors.

About this data: Some fields can change faster than names and ISO identifiers. Use this page for general reference and consult the relevant national statistics office or international authority for decisions that depend on a current figure.