A new mutual defense agreement between Turkey, Saudi Arabia and Pakistan is rearranging the security landscape of the Middle East and Eastern Mediterranean, presenting Greece with a potentially difficult diplomatic equation involving three of its increasingly important relationships: Saudi Arabia, Israel and Cyprus.
The “Mecca Joint Defence Agreement,” signed on Friday by the leaders of the three countries in Islam’s most holiest place, Mekkah, declares that an armed attack against one of the signatories will be considered an attack against all three.
Turkish Foreign Minister Hakan Fidan described the provision as technically comparable to NATO‘s Article 5 collective-defense clause, although the countries would consult on the nature and extent of any assistance provided.
Turkey, a NATO member with the alliance’s second-largest military, brings substantial conventional forces and an expanding defense industry to the arrangement. Pakistan is a nuclear-armed state with longstanding military ties to Saudi Arabia, while Riyadh has emerged as one of Ankara’s important defense customers as of late.
Turkey has reiterated that the pact is not directed against Iran, Israel or any other individual country. Ankara also wants the grouping to expand, with Egypt among the states that could eventually participate, in a fresh attempt for a rapprochment between Cairo and Ankara. A ministerial committee and a permanent secretariat based in Saudi Arabia are expected to oversee the new framework.
What does this mean for the Greece-Cyprus-Israel alliance
For Greece, however, the agreement carries particular significance because Turkey remains the nation’s principal regional security competitor, despite efforts in recent years to improve bilateral relations.
Greece has simultaneously built increasingly close defense ties with Israel and Cyprus. Athens, Nicosia and Jerusalem agreed late last year to intensify joint naval and air exercises during 2026, while military officials from the three countries signed a joint action plan for defense cooperation. Greece and Cyprus have also purchased Israeli missile systems, and Athens has been discussing further Israeli air- and missile-defense technology for its planned multi-layered “Achilles’ Shield.”
Their cooperation extends beyond defense. Greece officially describes energy cooperation with Israel, including through the trilateral framework with Cyprus, as an important element of the bilateral relationship. At their most recent leaders’ summit, Cyprus, Greece and Israel described their partnership as strategically important for regional stability, raising eyebrows in Ankara.
Cyprus adds another sensitive dimension to this alliance, as Turkey maintains occupying troops in the island’s north and backs a two-state solution to the Cyprus dispute, while Greece and the internationally recognized Republic of Cyprus support a settlement based on the UN framework. The island remains divided more than five decades after Turkey’s illegal 1974 invasion.
There has been no indication that the new agreement automatically commits Saudi Arabia or Pakistan to Turkey’s positions on Greece or Cyprus, in an event of a military confrontation between the two. Its collective-defense wording nevertheless means Athens will be watching closely how the arrangement develops and what circumstances its members ultimately define as an attack requiring assistance.
Greece puts its Patriot deployment in Saudi Arabia under monthly review
The pact also comes as Athens changes the way it evaluates one of the clearest symbols of Greek-Saudi defense cooperation: the Greek Patriot missile battery stationed at Yanbu on Saudi Arabia’s Red Sea coast.
The system has been deployed there since 2021 to defend critical Saudi infrastructure from neighboring threats. Greece will now reassess the continuation of the mission every month rather than annually, according to Greek Defense Ministry information reported by Greece’s daily Kathimerini.
The timing has inevitably attracted attention following Riyadh’s agreement with Ankara and Islamabad. It is not clear if the change was decided in response to Friday’s pact, however questions have been raised, as Greek opposition parties ask for the removal of the Greek patriot systems from Saudi Arabia. Defense Minister Nikos Dendias proposed the monthly review in March, in coordination with Prime Minister Kyriakos Mitsotakis and the Foreign Ministry, months before the Mecca agreement was signed. Nonetheless, critics might argue that Greece had already had intelligence about the upcoming agreement of the three Muslim nations.
Still, the new arrangement gives that monthly assessment greater strategic weight.
Greece has invested heavily in its relationship with Saudi Arabia in the last several years, which Prime Minister Mitsotakis has called a strategic partner for both Greece and the European Union. Athens now faces the task of preserving those ties while assessing a new security architecture in which Riyadh is formally linked militarily to Turkey. All of this at the same time that Greece, Cyprus and Israel are deepening their own defense cooperation across the Eastern Mediterranean.
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