The Caspian Sea Enters the Strategic Perimeter of the Iran Conflict

Reports that Israel carried out strikes overnight on Wednesday against Iranian military targets on the Caspian Sea signal a potential expansion of the conflict beyond its traditional Middle Eastern theater and heighten risks for energy infrastructure and transit routes in the South Caucasus.

According to media reports, the strikes targeted not civilian vessels but several Iranian naval ships. Up to five units are said to have been hit in the area of the northern port of Bandar Anzali, although there has been no official confirmation from either side and details on the extent of the damage remain limited.

If confirmed, this would mark the first known instance of Israeli strikes on targets in the Caspian Sea — a region that until now had been considered outside the zone of direct military confrontation.

Turan Analytical Service notes that even a single such strike alters perceptions of security in the Caspian basin.

“The Caspian has long been viewed as an isolated space where direct military confrontation was unlikely. This episode undermines that assumption,” Turan said.

For Azerbaijan, the implications are primarily preventive at this stage. The country, which hosts significant offshore oil and gas infrastructure and positions itself as a key transit hub between Asia and Europe, now faces the need to factor in new risks.

The strike on northern Iran sets a precedent for the potential spillover of conflict across the entire Caspian basin, increasing the likelihood of incidents near the maritime borders of other littoral states.

This also adds pressure on the energy sector. While no direct threats to Azerbaijani assets have been reported, experts warn of the vulnerability of offshore platforms and the potential rise in insurance costs for maritime oil and gas transport.

“Even without direct attacks on infrastructure, the impact may be felt through the market — in the form of higher insurance premiums and more expensive logistics,” Turan noted.

The Caspian plays a central role in the development of the Middle Corridor — the Trans-Caspian route that Azerbaijan promotes as an alternative to traditional trade routes between China and Europe. Heightened geopolitical risks could lead to shipment delays, rising tariffs and a reassessment of logistics strategies.

At the same time, Baku finds itself in a complex geopolitical position. On the one hand, Azerbaijan maintains close ties with Israel and Western countries; on the other, it borders Iran and participates in joint transport initiatives, including the North–South corridor.

This constrains room for maneuver and increases the need for a balanced and restrained diplomatic approach.

Analysts outline three main scenarios: containment of the incident without further escalation, a prolonged “grey zone” marked by elevated risks and periodic tensions, and a less likely expansion of the conflict into the Caspian theater.

The second scenario is seen as the most probable, in which the Caspian does not formally become a battlefield but loses its status as a fully secure zone.

Iran’s naval presence in the Caspian — the so-called Northern Fleet based in Bandar Anzali — consists of limited but missile-equipped forces, including one major warship, several missile boats and patrol vessels. Unlike in the Persian Gulf, where the Islamic Revolutionary Guard Corps dominates, the Caspian is operated by Iran’s regular navy.

Experts say that even partial damage to these forces could significantly weaken Iran’s military presence in the region, given their limited scale.

At the same time, risks for Azerbaijan are less about direct military confrontation and more about the possibility of targeted incidents. Key vulnerabilities include offshore platforms, subsea infrastructure, maritime logistics and port facilities.

Even limited incidents could have a disproportionate economic impact, including disruptions to production, rising insurance costs and reduced attractiveness of transit routes.

In the short term, key indicators will include whether strikes on northern Iran are repeated, movements in maritime insurance premiums and the response of Caspian littoral states to the elevated risk environment.

For Azerbaijan, this means that the Caspian can no longer be viewed solely as a rear area, and its role as an energy and transport hub will increasingly depend on the trajectory of the conflict surrounding Iran.