By Bosphorus News Geopolitics Desk
Cyprus talks head into another leaders' meeting with the Great Sea Interconnector back on the operational agenda, while Türkiye works on a Black Sea shipping formula and Gulf states contend with disrupted oil routes, conflicting repair estimates and an unfinished diplomatic track around Hormuz.
Cyprus and Maritime Security
Christodoulides ties €25 million GSI payment to new Greek NAVTEX
Republic of Cyprus President Nikos Christodoulides said the Republic of Cyprus will pay €25 million toward the Great Sea Interconnector (GSI) once Greece issues a NAVTEX allowing marine surveys to resume, under an agreement reached with Greek Prime Minister Kyriakos Mitsotakis.
Christodoulides said the money had been budgeted last year and again this year, rejecting reports of friction with Athens over the project. Republic of Cyprus Energy Minister Michael Damianos said the Greek NAVTEX is expected within weeks and put completion of the interconnector around the end of 2031.
The disclosure advances a file in which the €25 million payment, Greek NAVTEX activity and the next survey phase have become directly linked.
Six Greek NOTAMs took effect Wednesday, creating temporary drone restriction areas around Karpathos, Kasos and the nearby islets of Saria and Armathia. The restrictions apply daily from 07:00 to 19:00 through Oct. 31. Athens has not publicly linked the zones to GSI survey operations, and the notices do not identify cable work as their purpose.
Türkiye's NAVTEX 0862/26, issued by the Antalya station for research by R/V TÜBİTAK MARMARA south and southwest of Kastellorizo, expired on Sept. 15. No extension was visible in notices reviewed by Bosphorus News by Wednesday morning. Greece challenged the original notice through NAVTEX 1036/26 from Heraklion, arguing that one survey position lay over what Athens considers the Greek continental shelf and that Heraklion was the competent NAVTEX station for the area.
Erhürman and Christodoulides meet again Thursday
Turkish Cypriot leader Tufan Erhürman and Greek Cypriot leader Nikos Christodoulides are due to meet in the United Nations buffer zone on Sept. 17 as the UN-backed Cyprus process continues.
In an interview with Kanal Sim and Yenidüzen, Erhürman said the Turkish Cypriot side was ready to reach agreement on six of the seven areas identified by UN Secretary-General António Guterres. New crossing points remained the unresolved file, he said.
Erhürman also described the current format as a dialogue table rather than a formal negotiating table. Both leaders are expected to travel to New York during the UN General Assembly high-level week.
The European Commission denied reports that Executive Vice-President Raffaele Fitto, who also serves as its special representative for Cyprus, was preparing visits to Ankara and Athens. A Commission spokesperson said no such meetings were scheduled. Fitto's published calendar places him in Madeira on Sept. 17 and Italy on Sept. 18.
Black Sea
Fidan says Türkiye is working to reconcile proposals on shipping security
Foreign Minister Hakan Fidan said Türkiye has exchanged proposals and responses with parties to the Russia-Ukraine war and is trying to bring their positions closer around a Black Sea arrangement.
Speaking in Baku, Fidan said attacks on civilian vessels were threatening life, property, navigation and environmental security, noting that Turkish and Azerbaijani seafarers had been killed.
His account gives more detail to separate Turkish and Indian efforts on Black Sea commercial-shipping security, disclosed publicly by Poland this week. Ankara now has proposals and responses from the parties and is trying to make them compatible enough to support an agreement, Fidan said.
Aegean
Fidan renews Türkiye's objection to military deployments on eastern Aegean islands
Fidan described the militarization of some eastern Aegean islands as a security threat to Türkiye and accused Greece of failing to meet obligations that Ankara says arise from international treaties.
Greece rejects Türkiye's interpretation of the relevant treaty provisions and maintains that it has the right to defend the islands.
Fidan said Türkiye had raised the issue for years through NATO and the United Nations and called on Greece to comply with what Ankara regards as the islands' demilitarized status. The comments come as the two countries continue to contest maritime jurisdiction, research activity and navigational warnings in the Aegean and Eastern Mediterranean.
Türkiye
Yeni Parti keeps name while legal dispute continues
Türkiye's Office of the Chief Public Prosecutor at the Court of Cassation notified Yeni Parti that it should change its name following an objection from Yenilik Partisi over the similarity between the two party names.
Yeni Parti said it would retain the name while the dispute proceeds toward a possible Constitutional Court ruling.
Journalist and seven Kaos GL members jailed
A court in Ankara ordered journalist Tuğba Tekerek and seven full members of Kaos GL's management and audit boards jailed pending trial in the "Ailem Güvende" investigation. Seven alternate board members were released under judicial supervision.
Police separately detained 106 people during a protest in Istanbul, including BirGün reporter Sarya Toprak and German broadcaster ARD's Şener Azak. Council of Europe Commissioner for Human Rights Michael O'Flaherty has expressed concern over the wider operation and restrictions affecting civil society.
TÜRKSAT model satellites reach launch stage
Fifteen teams reached the final stage of the 11th TÜRKSAT Model Satellite Competition after 302 teams from nine countries applied.
Final missions at the Hisar firing range in Aksaray include autonomous landing, satellite-to-device Internet of Things communications and systems designed to maintain links under electronic-warfare conditions.
Hagia Sophia work expands to eastern semi-dome
Türkiye is opening another stage of structural and conservation work at Hagia Sophia after modelling and static analysis identified a need to reinforce the eastern semi-dome.
The work includes conservation of mosaics, painted decoration and marble surfaces around the mihrab while intervention on the main dome continues. The new phase extends Bosphorus News coverage of the wider restoration program at Hagia Sophia.
Hormuz and Gulf Energy
Saudi pipeline repair estimates diverge as Riyadh tests other export routes
U.S. Energy Secretary Chris Wright said Saudi Arabia's East-West Pipeline could resume crude flows within days after the attack that forced its closure.
Reuters sources gave a longer repair window. One said the work could take five to six weeks, while another said partial pumping might resume before repairs are completed. Before the attack, the 1,200-kilometer line was carrying about 4 million to 5 million barrels per day, roughly 4% to 5% of global oil supply.
Saudi Aramco is also offering additional crude through ship-to-ship transfers off Sohar in Oman, providing another outlet while loadings from Yanbu remain disrupted. Some European cargoes have already been cancelled or delayed.
Visible traffic through the Strait of Hormuz remains sharply reduced. Preliminary maritime data showed only four observed crossings on Tuesday, compared with a 10-day average of 18. Ships operating with transponders switched off would not necessarily appear in that count.
Fidan on Tuesday called for safe and uninterrupted navigation and a return to the pre-war status quo in Hormuz.
Tehran says Saudi Arabia requested delay to Hormuz meeting
Iranian Foreign Ministry spokesman Esmaeil Baghaei said Saudi Arabia specifically requested the postponement of the planned Oman meeting on the Strait of Hormuz.
Baghaei said Iran and Oman had finalized an understanding on navigation arrangements and would jointly decide how it should be announced. Separate reporting said Saudi Arabia had raised concerns over elements of the proposed arrangement and sought changes before the regional meeting proceeded.
Saudi officials have not publicly described their position in the same terms. The reason for the delay and the changes Riyadh wants therefore remain partly dependent on Iranian and anonymously sourced accounts.
CBO puts U.S. Iran-war costs at $38 billion
The U.S. Congressional Budget Office (CBO) estimates that combat operations against Iran had cost the Department of Defense about $38 billion through Aug. 1.
Another month of fighting would cost roughly $2 billion if operations remained at the lower intensity seen in May and June, according to CBO, rising to about $3 billion at July's tempo.
The agency also raised its forecast for year-on-year U.S. personal consumption expenditure inflation in the first quarter of 2027 by 0.5 percentage points from its February projection, citing disruption to energy supplies through Hormuz and the Red Sea.
CBO said heavy use of missile-defense interceptors had depleted inventories of some systems and that rebuilding them could take at least five years. A separate Pentagon Inspector General assessment reported damage or destruction to hundreds of structures at U.S. bases in the region, damage to aircraft and pressure on stocks of critical munitions.
Gulf Military Posture
Mecca drone incident comes before trilateral pact becomes operational
Saudi air defenses intercepted a Houthi drone south of Mecca before it entered the city's restricted airspace, according to the Saudi-led coalition. The Houthis denied targeting Mecca.
The incident came as Pakistan's military offered one of the clearest public descriptions yet of the Mecca Joint Defence Agreement with Saudi Arabia and Türkiye. Inter-Services Public Relations Director General Lieutenant General Ahmed Sharif Chaudhry called the agreement "purely defensive" and based on collective deterrence, while leaving the conditions for activating its mechanisms to the three governments.
No request for Turkish or Pakistani military assistance had been announced after the Mecca incident. Türkiye's parliamentary process and the pact's operational structures remain incomplete.
Greece continues its Patriot deployment in Saudi Arabia and has rejected the idea that the new pact requires Athens to choose between competing regional blocs.
U.S., Israeli and Arab military chiefs met in Germany
The U.S. Central Command chief and military leaders from Israel and seven Arab states met in Germany last week at a closed conference organized by United States Central Command (CENTCOM).
The Arab participants were Saudi Arabia, the United Arab Emirates, Bahrain, Kuwait, Qatar, Jordan and Egypt. CENTCOM confirmed that it hosted senior military leaders from eight partner nations, while Axios reported that the Iran war and regional military coordination dominated the discussions.
Israel and Saudi Arabia are also discussing Yemen through a separate channel. With CENTCOM involved, those contacts include possible Israeli intelligence support against Houthi operations, according to officials familiar with the talks. No Israeli offensive role has been announced.
European Security
Baltic incidents put NATO-Russia military contact back in focus
Denmark accused a Russian warship of firing two flares toward a Danish military helicopter operating over international waters in the Baltic Sea. Russia disputed Copenhagen's account of the encounter.
An Italian fighter operating under the North Atlantic Treaty Organization's (NATO) Baltic mission separately shot down a drone after it entered Lithuanian airspace from Belarus. Lithuanian authorities investigated whether the aircraft was carrying explosives; its operator had not been established.
European Commission President Ursula von der Leyen said the incidents were not isolated and described them as part of Russian aggression and provocation testing Europe's "readiness and resolve."
NATO's Military Committee meets at chiefs-of-defense level in Copenhagen on Sept. 18-19 under Admiral Giuseppe Cavo Dragone. The agenda includes follow-up to the NATO Ankara Summit, collective deterrence and defense, innovation and support for Ukraine.
Azerbaijan and the Turkic World
Aliyev-Fidan talks put energy routes and logistics on the agenda
Azerbaijani President Ilham Aliyev and Fidan discussed energy cooperation, new routes for carrying alternative energy sources to international markets and the role of Türkiye and Azerbaijan as a logistics bridge between Europe and Asia.
A separate panel organized by Türkiye's Directorate of Communications in Baku looked ahead to Organisation of Turkic States (OTS) meetings in Ankara on Oct. 29-30. Türkiye will host the OTS Council of Foreign Ministers on Oct. 29 and the organization's 13th summit on Oct. 30.
The Baku program covered transport, energy, trade, digital transformation, artificial intelligence and new communication technologies. Panelists also called for deeper defense-industry cooperation, more joint military exercises and closer coordination between military doctrines. Baku hosted the second meeting in a dialogue series launched in Astana.
Central Asia
South Korea opens first leaders' summit with five Central Asian states
South Korea hosted its first leaders' summit with all five Central Asian states, with critical minerals, energy, supply chains and infrastructure leading the agenda.
More than 70 agreements and memoranda emerged from the summit and accompanying bilateral meetings. Türkiye is already expanding transport and institutional links across the same region through the Middle Corridor and the OTS, making Seoul's follow-up projects worth tracking where they intersect with those routes or Turkish companies.
United States
Russia-Iran sanctions legislation moves toward House vote
The U.S. House of Representatives approved a procedural rule allowing consideration of the Senate-passed Lindsey O. Graham Sanctioning Russia and Iran Act of 2026. The 214-211 vote governed debate and was not a final vote on the legislation.
The Senate text gives the president authority to impose additional tariffs connected to purchases of Russian energy, including measures aimed at leading importers of Russian crude oil or natural gas and countries facilitating sanctions evasion.
A proposed amendment would have explicitly listed Türkiye alongside China, India, Azerbaijan, Hungary, Slovakia, the United Arab Emirates, Singapore, Kazakhstan and Kyrgyzstan as countries eligible for duties of up to 100%. The House Rules Committee rejected the motion to make that amendment in order by 3-7.
Türkiye is therefore absent from a fixed country list in the measure now before the House, although its Russian energy purchases could still bring it within the broader criteria if the legislation becomes law.
The U.S. Treasury's public Office of Foreign Assets Control (OFAC) register showed no new sanctions action after Sept. 14 by Wednesday morning.
Israel-Lebanon Front
U.S. ambassador visits Lebanese army-held pilot zone
U.S. Ambassador to Lebanon Michel Issa visited Zawtar al-Gharbiya in southern Lebanon, an area transferred to Lebanese army control under the U.S.-backed arrangement with Israel.
Lebanon's National News Agency reported that an Israeli drone flew over the area during the visit and that Israeli military vehicles were active in neighboring Zawtar al-Sharqiya.
A Lebanese prosecutor also requested charges against former President Michel Aoun over the 2020 Beirut port explosion, citing his prior knowledge of the ammonium nitrate stored at the port and alleging that he failed to take sufficient action. Investigating judge Tarek Bitar will decide whether charges proceed.
Cyprus and Lebanon begin electricity-link study
The Republic of Cyprus and Lebanon are holding their first technical meeting Wednesday on a World Bank-supported prefeasibility assessment of a subsea electricity interconnection.
The first phase will examine electricity supply and demand and the economic viability of different scenarios. A more detailed technical and economic assessment would follow if the findings support further work.
Lebanese Energy and Water Minister Joseph Al-Saddi has said a viable project could eventually connect Lebanon to Cyprus and, through the planned Cyprus-Greece interconnection, to the European electricity grid.
Israel confirms killing of Hamas Rafah commander as U.S. plans new arms package
The Israel Defense Forces (IDF) confirmed that Nael Abu Obeid, a commander in the Rafah Brigade of Hamas, which is designated as a terrorist organization by the United States and European Union, was killed in an Israeli strike in Gaza.
Reuters reported civilian casualties from Israeli strikes, including children, citing Palestinian health officials.
The Trump administration is separately planning a $2.8 billion munitions sale to Israel, Reuters reported. The proposed package includes 20,000 MK 84 and 20,000 BLU-117 2,000-pound bombs and has been informally presented to relevant congressional committees.
Economy
Gulf IPO slowdown contrasts with pressure on Türkiye's small businesses
The sharp fall in Gulf initial public offerings is pushing investment banks to seek mandates elsewhere, including Türkiye, Egypt and India.
Gulf IPO proceeds have fallen below $1.1 billion in 2026, while Saudi Arabia recorded only three offerings worth about $139 million during the first eight months.
Türkiye's capital market moved in the opposite direction. Thirty-four offerings had been completed in the first eight months, including two whose shares had not yet begun trading, with total offer value around TL82.4 billion.
Small-business data tell a different story. Figures from the Confederation of Turkish Tradesmen and Craftsmen (TESK) show new workplace openings fell about 8% year on year to roughly 193,000 between January and August, while closures rose 11.2% to 82,669.
International banks are finding more equity-market business in Türkiye even as fewer small businesses are opening and more are closing.
Bosphorus Read
Three maritime files are moving through different channels.
The Republic of Cyprus has tied its €25 million GSI payment to a future Greek NAVTEX, while drone restrictions around Kasos have begun without any public link to cable surveys. Türkiye says its Black Sea diplomacy has reached the stage of comparing concrete proposals and responses from the parties. In the Gulf, Saudi Arabia is repairing the East-West Pipeline and moving some crude through Oman as Iran says Riyadh requested a delay to talks over an Iran-Oman navigation arrangement.
In each case, access has become the immediate operational issue: moving ships, energy and infrastructure through vulnerable corridors while governments argue over the rules and protection surrounding them.
Sources: Türkiye's Ministry of Foreign Affairs, Presidency of the Republic of Azerbaijan, Türkiye's Directorate of Communications, European Commission, Republic of Cyprus Ministry of Energy, Cyprus News Agency, NATO, U.S. Congressional Budget Office, U.S. House Committee on Rules, U.S. Treasury, Reuters, AP, Axios, Lebanon National News Agency, World Bank, TÜRKSAT, TESK, Türkiye's Directorate General of Foundations, Yenidüzen, Cyprus Mail, DW, Bosphorus News review and reporting.
Read Yesterday's brief: Eastern Mediterranean Strategic Brief | September 15, 2026.