Greece has formally communicated its alarm to Turkey over reports that Ankara is drafting legislation to enshrine its expansive "Blue Homeland" maritime doctrine in domestic law, warning the move would shatter a fragile period of calm between the two NATO neighbors.
Foreign Minister George Gerapetritis, speaking at an energy summit in Athens, issued the government's sharpest public rebuke yet.
"Any unilateral activity seeking to implement a country's intentions is doomed to fail," Mr. Gerapetritis said, adding that measures which should be negotiated bilaterally or through international law carry "only domestic validity and no international application."
Turkey's "Blue Homeland" doctrine asserts sweeping maritime claims over large swaths of the Aegean and eastern Mediterranean, directly contesting Greek sovereignty over its continental shelf and Exclusive Economic Zone.
Mr. Gerapetritis stressed that although Turkey has not ratified the UN Convention on the Law of the Sea, its provisions constitute binding customary international law.
Mr. Gerapetritis pointed to tangible recent gains — reduced airspace violations and a decline in illegal migration crossings — as evidence of what is at stake. "It would be an absolute waste to have a setback," he said.
Athens, he said, is preparing responses for "all possible scenarios" and retains access to multiple diplomatic forums — including the European Union and the United Nations — to contest any Turkish measures.
The demarcation of maritime zones, Mr. Gerapetritis added, remains the central issue that must ultimately be resolved.