Geopolitics of the Caucasus

The Caucasus is a mountainous region between the Black and Caspian seas where Europe and Asia meet. Its enduring geopolitical significance comes from being both a strategic crossroads for trade and energy and a contested space where neighbouring powers, national identities and security interests overlap.

A crossroads shaped by geography

The Greater Caucasus mountain range forms a major physical barrier, making accessible passes and transport corridors strategically valuable. The region links southern Russia with West Asia and connects the Black Sea basin with the Caspian basin.

• The South Caucasus comprises Armenia, Azerbaijan and Georgia, while the North Caucasus forms part of the Russian Federation.
• Georgia provides access to the Black Sea, Azerbaijan fronts the Caspian Sea, and landlocked Armenia depends on overland connections through neighbouring countries.
• The region's position creates opportunities for east-west and north-south connectivity, but difficult terrain concentrates movement along a limited number of routes.

Overlapping interests and unresolved conflicts

The Caucasus lies at the intersection of the security interests of Russia, Türkiye and Iran. European countries and the United States also have interests in its stability, sovereignty and energy connections.

• Russia regards developments along its southern frontier as important to its security, while Türkiye and Iran seek influence and reliable regional connections.
• The region's ethnic, linguistic and religious diversity intersects with disputed borders and competing national claims; diversity alone does not explain conflict.
• The Armenia-Azerbaijan conflict over Nagorno-Karabakh and the conflicts involving Abkhazia and South Ossetia illustrate tensions between territorial integrity, separatist claims and external intervention.
• Regional rivalries can obstruct transport links and make smaller states' foreign-policy choices consequential for wider power balances.

Energy routes, trade corridors and India's interests

The Caucasus matters not only for Azerbaijan's oil and gas but also as a transit corridor connecting Caspian resources and markets with destinations beyond the region.

• The Baku-Tbilisi-Ceyhan oil pipeline carries Caspian oil through Georgia to Türkiye's Mediterranean coast, providing an export route that bypasses Russia.
• The South Caucasus Pipeline transports Azerbaijani natural gas through Georgia towards Türkiye, supporting wider connections to European markets.
• For India, the International North-South Transport Corridor gives the region connectivity relevance: its western route envisages movement through Iran and Azerbaijan towards Russia.
• Commercial value depends on secure borders, functioning infrastructure and cooperation; geographical centrality does not automatically produce seamless connectivity.