# The Aegean Sea becomes a minefield again between Athens and Ankara > Introduction: a legal dispute resurfaces - Author: Maxime Marquette - Publisher: MadMax (https://mad-max.co) - Section: Profile - Published: 2026-07-04 - Canonical URL: https://mad-max.co/en/article/la-mer-egee-redevient-un-terrain-mine-entre-athenes-et-ankara ## Introduction: a legal dispute resurfaces ### A decades-old dossier that never truly goes away In late **June 2026**, **Turkey** revived its legal claims disputing the status of several **Greek islands** in the **Aegean Sea**, an issue that has poisoned bilateral relations between **Athens** and **Ankara** for decades without ever finding a lasting resolution satisfactory to both parties. This renewed tension comes at a particularly delicate moment, as **Turkey** prepares to host a **NATO** summit in the coming months, making this diplomatic provocation all the more embarrassing for an Alliance seeking to project an image of unity against outside threats. ### Why this issue touches me personally as an observer I am neither Greek nor Turkish, but I have followed this issue for several years with growing concern, because it perfectly illustrates the fragility of geopolitical balances within **NATO** itself, an organization meant to unite democracies sharing common values rather than pit them against each other over unresolved territorial questions. This Greek-Turkish tension, often pushed to the media background behind more spectacular conflicts like the one in **Ukraine**, nonetheless deserves sustained attention, since, if it were to escalate, it could durably weaken the cohesion of the Alliance's southeastern flank. *I find it troubling that two NATO members could nurse unresolved territorial tensions for this long, a paradox that weakens the Alliance's collective credibility against far more dangerous adversaries like Russia.* ## The legal heart of the dispute ### An international convention Turkey refuses to recognize At the heart of this dispute lies the **United Nations Convention on the Law of the Sea**, adopted in **1994** and ratified by **169 countries**, but which **Turkey** stubbornly refuses to recognize, thereby depriving itself of a widely accepted international legal framework that could otherwise clarify the respective maritime rights of the two nations bordering the Aegean Sea. This Turkish refusal to ratify the convention is not trivial: it allows **Ankara** to challenge certain aspects of international maritime law while preserving diplomatic and legal room to maneuver that full ratification would considerably limit in its negotiations with Greece. ### A bill seriously worrying Athens According to reports from **May 2026**, **Turkey** is preparing a bill aimed at unilaterally defining a **200-nautical-mile exclusive economic zone**, a measure that, if adopted, would directly encroach on **maritime zones** that **Greece** considers to fall under its legitimate sovereignty under existing **international law**. This Turkish legislative initiative, still at the proposal stage but taken very seriously by **Greek diplomats**, illustrates **Ankara**'s determination to unilaterally shift the **maritime status quo** in the Aegean, even at the risk of triggering a new escalation of bilateral tensions with its Greek neighbor. *I believe this Turkish refusal to recognize an international legal framework accepted by 169 countries reveals a deliberate strategy of working around the law, an approach that should worry Ankara's **Western partners** within NATO more than it currently does.* ## The statements inflaming the dispute ### Turkey's defense minister raises the tone Turkish Defense Minister **Yaşar Güler** recently declared that his country had **"the power and determination to neutralize any threat to Turkish security,"** a martial phrase that, while not explicitly directed at **Greece**, clearly fits into the tense context of current territorial claims in the Aegean. This kind of tough rhetoric, common in contemporary Turkish political discourse, nonetheless feeds a climate of mutual distrust that further complicates the search for a peaceful diplomatic resolution between the two neighboring NATO allies. ### Athens' measured but firm response Greek Foreign Minister **Georgios Gerapetritis** described the current situation as an **"extremely fragile geopolitical environment,"** a diplomatic phrasing that nonetheless reflects real and serious concern within the **Greek state apparatus** over its Turkish neighbor's repeated legal provocations. This Greek rhetorical caution, contrasting with the firmness of Turkish discourse, should not be mistaken for weakness: **Athens** has also publicly raised the risk of a genuine **"casus belli"** should Turkey persist with some of its most extreme claims. *I note that Greek diplomatic restraint, however tactically wise, should not obscure the real gravity of the situation, and the very mention of the term casus belli shows how seriously Athens views this dossier.* ## A timing that is anything but coincidental ### The NATO summit in Ankara, an awkward coincidence This renewed tension comes just months before a major **NATO** summit planned in **Ankara**, a timing that no informed **observer** of the region has failed to notice. This Turkish legal provocation, coming so close to a major diplomatic event for Turkey's international image, raises legitimate questions about the real motivations behind this timing. Several **regional analysts** believe **Turkey** may be seeking to negotiate from a position of strength before this summit, using these territorial claims as an additional pressure lever in its broader relations with its Western partners within the Atlantic Alliance. ### An unstable regional context that favors opportunism **Greece** openly accuses **Ankara** of taking advantage of the unstable regional context, marked by the war in **Ukraine** and tensions in the **Middle East**, to advance its own territorial claims while international attention remains focused on other crises deemed a priority by the global **diplomatic community**. This Greek accusation, difficult to formally prove but strategically plausible, illustrates how major regional powers often exploit periods of international geopolitical distraction to advance territorial agendas they might not otherwise dare push during calmer diplomatic times. *I believe this Greek accusation of Turkish opportunism deserves to be taken seriously, since recent diplomatic history is full of examples of regional powers exploiting major international crises to quietly advance their own territorial pieces.* ## What this means for NATO cohesion ### Two allies who should be standing shoulder to shoulder against common threats **Greece** and **Turkey**, both **NATO** members for decades, should logically be joining forces against the common threats posed by **Russia** in the Black Sea and instability in the **Middle East**, rather than devoting a significant share of their diplomatic and military resources to bilateral territorial disputes that sometimes date back generations. This persistent rift between two theoretical allies objectively weakens the Atlantic Alliance's collective credibility, potentially offering opportunities for exploitation to strategic adversaries seeking to divide and thereby weaken overall Western cohesion. ### A worrying precedent for other territorial disputes This Greek-Turkish dossier also sets a potentially worrying precedent for other latent territorial disputes elsewhere in the Western world, illustrating how old legal disagreements can suddenly resurface whenever the regional or international geopolitical context offers a window of opportunity perceived as favorable by one of the parties involved. The Western partners of **Greece** and **Turkey**, notably the **United States** and the major European powers, therefore have a clear strategic interest in actively encouraging a peaceful, lasting resolution of this dispute before it escalates into a more serious confrontation. *I believe Washington and the major European capitals should invest far more in mediating this Greek-Turkish dossier, whose ongoing deterioration poses a serious risk to the cohesion of NATO's southeastern flank against Russia.* ## The hidden economic stakes behind the legal dispute ### Coveted **undersea energy resources** Beyond purely legal and symbolic considerations, this Greek-Turkish dispute also conceals considerable economic stakes, notably tied to the potential exploitation of **undersea energy resources** in certain contested areas of the Aegean Sea and the wider **eastern Mediterranean**. This economic dimension of the conflict, often underestimated in general media coverage of the dossier, partly explains why neither **Athens** nor **Ankara** seems willing to make significant concessions on maritime zones that could hold economically substantial **hydrocarbon deposits** for the future of both national economies. ### Tourism, a potential collateral victim of the tensions A prolonged escalation of these territorial tensions could also negatively affect the **tourism sector** of both countries, particularly dependent on the **regional stability** perceived by international visitors, who generally favor destinations where geopolitical risks appear minimal and well managed by local authorities. This shared economic vulnerability is, paradoxically, a powerful argument in favor of rapid de-escalation, since both countries share a tangible common economic interest in preserving the regional stability needed to sustain their respective **tourism industries**, particularly lucrative during the current summer season. *I find it ironic that two countries so dependent on Mediterranean tourism for their economic prosperity keep flirting with a territorial escalation that, if it seriously worsened, could directly harm their most fundamental economic interests.* ## The weight of history in this dispute ### Old wounds that have never really healed This territorial dispute is part of a much longer history of tensions between **Greece** and **Turkey**, marked by successive conflicts since the fall of the **Ottoman Empire**, including the **1974 Cyprus crisis**, which continues, even today, to poison bilateral relations between the two neighboring nations. This heavy **historical memory** partly explains why every new provocation, even a seemingly minor one, takes on a disproportionate emotional resonance in the public opinion of both countries, making any lasting reconciliation harder despite the obvious common interests shared by Athens and Ankara within the Atlantic Alliance. ### Mutual distrust sustained by decades of nationalist rhetoric Political leaders in both countries have, over the decades, sometimes exploited this territorial dispute for domestic political purposes, playing on the **nationalist sentiment** of their respective populations to shore up their own electoral popularity rather than actively seeking a peaceful, lasting resolution of the dispute. This political exploitation of the conflict, observable on both the Greek and Turkish sides, further complicates international mediation efforts, as leaders on both sides have little room to make concessions without exposing themselves to **accusations of national weakness** from their domestic political opponents. *I believe this political exploitation of nationalism, on both sides of the Aegean, is one of the main obstacles to a lasting resolution of this dispute, far more so than the legal questions themselves.* ## What Western allies should concretely do ### Active mediation rather than passive neutrality Rather than settling for general calls for restraint, the major Western powers, notably the **United States** and the leading European capitals, should invest more actively in structured mediation between Athens and Ankara, drawing on existing diplomatic mechanisms within **NATO** and the **European Union**. This active mediation would require sustained **diplomatic investment** over time, rather than one-off interventions during peaks of tension, an approach that has historically shown its limits in durably resolving this kind of complex, history-laden territorial dispute. ### The potential role of the **International Court of Justice** Some diplomats also suggest bringing certain specific aspects of this dispute before the **International Court of Justice** in **The Hague**, an option that would allow for an impartial legal clarification of the most contested points, even though Turkey has historically shown reluctance to accept this kind of binding **international arbitration**. This **judicial path**, though slow and uncertain, would nonetheless offer a more stable and predictable framework than the current rhetorical confrontation, which risks degenerating into a more serious incident if neither party accepts making significant concessions in the foreseeable future. *I believe recourse to the International Court of Justice, despite its obvious limits, would represent notable progress compared with the current rhetorical one-upmanship, which only worsens mutual distrust between the two countries.* ## Conclusion: a necessary but uncertain de-escalation ### A dossier that demands sustained international vigilance This renewed tension between **Athens** and **Ankara** deserves sustained international attention, not because an imminent armed conflict is likely, but because the accumulation of repeated legal and rhetorical provocations always ends up creating risks of accidental escalation that become hard to control once triggered between two nations so historically wary of one another. The **international community**, and especially the shared Western partners of both countries within **NATO**, should use the upcoming summit in **Ankara** to firmly encourage a lasting de-escalation of this dossier, rather than letting this tension continue simmering without meaningful diplomatic intervention. ### A broader lesson on the fragility of alliances This Greek-Turkish dispute is, once again, a reminder that **geopolitical alliances**, even the seemingly strongest ones like **NATO**, remain weakened by unresolved internal tensions that deserve constant diplomatic attention rather than mere reactive management during periods of open crisis. For the **West** as a whole, preserving the cohesion of its alliances against determined strategic rivals like **Russia** or **China** requires resolving these internal fractures before they are exploited by outside adversaries seeking precisely to divide in order to weaken. *I believe this Greek-Turkish crisis, however old and complex, offers NATO a unique opportunity to demonstrate its ability to peacefully resolve internal disputes among its own members, a proof of collective maturity that is especially needed today.* **By Maxime Marquette, columnist** ## Columnist's transparency note ### Editorial stance I am not a journalist but a **columnist and analyst**. My expertise lies in observing and analysing the geopolitical, economic and strategic dynamics that shape our world. My work is to take political strategies apart, to understand global economic movements, to put the decisions of international actors in context and to offer analytical perspectives on the changes that are redefining our societies. I do not claim the cold objectivity of traditional journalism, which stops at reporting facts. **I claim analytical clarity**, rigorous interpretation and a deep understanding of the complex issues that concern us all. My role is to give meaning to the facts, to place them in their historical and strategic context, and to offer a critical reading of events. ### Method and sources This text keeps the basic distinction between **verified facts and interpretive analysis**. The rule never changes: a factual claim is published only when a verifiable source supports it, and the sources this article actually used are listed under **Sources**, never here. **Primary source families** used by the publication, when the story has them: official statements from governments and international institutions, public statements by political leaders, reports from intergovernmental organisations, dispatches from recognised international news agencies. **Secondary source families**: specialised publications, internationally recognised news media, analyses from established research institutions, reports from industry organisations. When an article cites statistical, economic or geopolitical data, it comes from the institutions that produce it (intergovernmental organisations, central banks, national statistics offices), and the exact institution is named under **Sources**. ### Nature of the analysis The analyses, interpretations and perspectives in the analytical sections of this article are a **critical, contextual synthesis** based on the information available, the trends observed and the expert comments cited in the sources consulted. My role is to interpret these facts, to set them in the context of today's geopolitical and economic dynamics, and to give them a coherent meaning within the larger story of the changes shaping our time. These analyses reflect expertise built through continuous observation of international affairs and an understanding of the strategic mechanisms that drive global actors. This article describes a documented state of affairs on its publication date, not a prediction: later developments may shift its outlook. No update is promised in advance; when an article is corrected or completed, the change is dated in the text. ## Sources ### Primary sources - [Turkey goads Greece with provocative legal claims over Aegean islands — Irish Times, June 22, 2026](https://www.irishtimes.com/world/europe/2026/06/22/turkey-goads-greece-with-provocative-legal-claims-over-aegean-islands/) - [Türkiye says Greece violating island status under treaties — Anadolu Agency](https://www.aa.com.tr/en/turkiye/turkiye-says-greece-violating-island-status-under-treaties-taking-advantage-of-regional-crises/3861328) - [Turkish claims — Greek Ministry of Foreign Affairs](https://www.mfa.gr/en/foreign-policy/foreign-policy-issues/issues-of-greek-turkish-relations/turkish-claims/) ### Secondary sources - [Greece-Turkey tensions rise in Aegean — To Vima](https://www.tovima.com/politics/greece-turkey-tensions-rise-in-aegean-as-ankara-revives-disputes/) - [Greece warns of Turkish revisionism — Greek Reporter, May 15, 2026](https://greekreporter.com/2026/05/15/greece-warns-turkey-revisionism-aegean-tensions/) - [Greece plans extension of territorial waters — Reuters, January 16, 2026](https://www.reuters.com/world/middle-east/greece-plans-extension-territorial-waters-despite-turkish-warning-2026-01-16/) --- Source: Maxime Marquette, MadMax. 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