Explainer

The Aegean Disputes Explained: Airspace, Waters and Sovereignty

What the Türkiye–Greece disagreements in the Aegean Sea actually concern, why they persist, and why cooperation need not wait for their resolution.

Türkiye and Greece are NATO allies, major trading partners and immediate neighbours. They also carry a set of unresolved legal and territorial disagreements in the Aegean Sea that have never been settled by a single comprehensive agreement. Understanding what those disagreements actually concern is the first step toward managing them.

The main points of disagreement

  • Territorial waters: the breadth of territorial sea each state claims in the Aegean, and the effect any extension would have on navigation and airspace.
  • Airspace: the difference between the airspace limits each side recognises, which produces recurring interception incidents.
  • The continental shelf: how seabed rights are delimited between a mainland coast and a dense archipelago of islands.
  • Search and rescue and flight information responsibilities in overlapping areas.
  • The status and demilitarisation questions attached to certain islands under earlier treaties.
  • Irregular migration across the sea border, which creates operational friction even where legal positions are not contested.

Why they remain open

Each question is legally technical and politically sensitive, and each is linked to the others. Because the two states have historically addressed them episodically — during crises, or in short diplomatic windows — progress rarely survives a change of government or a single incident at sea.

There is no permanent, scheduled, documented forum in which parliamentarians and ministers from both countries meet regardless of the political weather. Exploratory talks and confidence-building measures exist, but they depend on goodwill rather than on institutional obligation.

Disputes do not have to be solved before cooperation begins

The Nordic states built the most integrated region in the world without first resolving every historical grievance. They created a standing institutional framework, then let cooperation accumulate in areas where agreement was possible: labour mobility, education, environment, transport, culture and trade.

The Aegean Council proposal applies the same sequencing. It does not attempt to adjudicate maritime law. It proposes a permanent inter-parliamentary assembly, ministerial councils, a neutral secretariat and sectoral committees, so that disagreement is processed by procedure instead of escalating through headlines.

The Aegean Council is an independent proposal addressed to the leadership of Türkiye and Greece. It is not an official body of either state.