Guinea sits on the western edge of West Africa, where coastal lowlands meet inland highlands and borders help define trade and travel across the region. Knowing its neighbors gives a quick sense of its geography and connections.
There are 6 countries that border Guinea: Guinea-Bissau, Senegal, Mali, Côte d’Ivoire, Liberia, Sierra Leone (ranging from Guinea-Bissau to Sierra Leone). For each, you’ll find below Flag,Border direction,Border length (km).
Countries that Border Guinea
| Country | Flag | Border direction | Border length (km) |
|---|---|---|---|
| Guinea-Bissau | 🇬🇼 | Northwest | 386 |
| Senegal | 🇸🇳 | North and northwest | 338 |
| Mali | 🇲🇱 | Northeast | 1,062 |
| Ivory Coast | 🇨🇮 | East and southeast | 816 |
| Liberia | 🇱🇷 | South and southeast | 563 |
| Sierra Leone | 🇸🇱 | South and southwest | 652 |
Descriptions
Guinea-Bissau
Guinea-Bissau and Guinea share a short Atlantic-adjacent border with a few official crossings; cross-border trade and family ties are strong in the Bissau-Guinea frontier, and the area includes mangrove coasts and transnational communities
Senegal
Senegal and Guinea meet along Guinea’s northern and northwestern edges with several crossings near Koundian and the upper Niger Basin. Cross-border trade, seasonal migration, and shared ethnic groups link communities; the border runs through savanna and protected areas
Mali
Mali and Guinea share one of Guinea’s longest borders, stretching through remote highlands and parts of the upper Niger watershed. Official crossings are limited; the frontier has historic trade routes, shared Mandé and Fula communities, and occasional cross-border security and migration dynamics
Ivory Coast
Ivory Coast borders Guinea to the east, forming a long, forested frontier with major official crossings used for trade and travel between Conakry and inland Ivorian towns. The area features rainforest corridors, cocoa-producing regions, and significant economic ties and migration flows
Liberia
Liberia lies south of Guinea; the frontier runs through the Mano River region with several official crossings. Historically important during regional conflicts, it now sees trade and movement under Mano River cooperation, with forested borderlands and shared ethnic and family ties
Sierra Leone
Sierra Leone shares a long southwestern border with Guinea with many crossings and strong cultural ties across the border. The frontier includes riverine and forest landscapes; trade, seasonal farming migration, and historical refugee movements have shaped close bilateral relations and cross-border communities
