Turkey on Thursday criticized Greece’s “unilateral activities” in hydrocarbon fields south of Crete, carried out by a consortium led by U.S. oil major Chevron, calling them a violation of international law and bilateral agreements. The Chevron-led consortium recently signed exclusive lease agreements to explore natural gas in the region, expanding U.S. energy involvement in the eastern Mediterranean.
Turkey’s Defence Ministry stated that the activities violate the 2019 Memorandum of Understanding on Maritime Jurisdiction between Turkey and Libya, which Greece has rejected for ignoring the presence of Crete. While the exploration does not directly encroach on Turkey’s continental shelf, Ankara said it also undermines Libya’s maritime claims, and it pledged continued support for Libyan action against the venture.
Why It Matters
The dispute underscores long-standing tensions between Greece and Turkey over maritime boundaries, rights to energy resources, and military and airspace control in the Aegean and eastern Mediterranean. With Europe seeking alternatives to Russian energy and the U.S. expanding its presence, these hydrocarbon projects carry significant economic and geopolitical stakes.
Stakeholders
Key stakeholders include Turkey, Greece, the U.S.-led Chevron consortium, and Libya, whose maritime claims are also implicated. NATO and EU interests are indirectly involved, as stability in the eastern Mediterranean affects broader security and energy supply considerations. Regional energy companies and international investors are closely watching the legal and political developments.
Analysis
The Chevron deal represents a strategic expansion of U.S. energy influence in the eastern Mediterranean, but it risks inflaming a decades-long maritime dispute between NATO allies Turkey and Greece. Despite a 2023 declaration of friendly relations, unresolved issues over maritime jurisdiction and natural resource access continue to strain diplomacy. The move may push Ankara to strengthen legal or political claims through Libya or international forums, while also highlighting the delicate balance between energy security and regional stability.
With information from Reuters.

