Independent country reference & learning resource195 countries · searchable · free to use
🇸🇩 Flag of Sudan
Country profile

Sudan

Republic of the Sudan

Last reviewed: September 2, 2026

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

CapitalKhartoum
RegionAfrica
ISO alpha-2SD
ISO alpha-3SDN
Currency code(s)SDG
Language code(s)ar, en
Calling code(s)+249
Country-code TLD.sd
Area1,886,068 km²

Where is Sudan?

For broad geographic classification, Sudan is grouped under Africa and the subregion Northern 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 Sudan?

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

Sudan has the following land-border entries in our source dataset: Central African Republic, Chad, Egypt, Eritrea, Ethiopia, Libya, South Sudan. 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.