Azerbaijan controls roughly 20% of the Caspian Sea's western coastline and Baku is the basin's largest commercial port. The Caspian — the world's largest enclosed inland water body — connects five littoral states (Russia, Kazakhstan, Turkmenistan, Iran, Azerbaijan) and has become a quiet but increasingly consequential corridor for sanctions-pressured trade.

• Caspian Status Convention (2018): The five littoral states signed a framework agreement defining the Caspian as a "sea" with special legal status — neither a full sea (UNCLOS) nor a full lake. The Convention bars third-country military presence on the Caspian, formalizing a Russia-Iran-aligned exclusion of NATO naval assets.
• Baku Port and Alat: The Port of Baku at Alat (commissioned 2018) is the largest deep-water port on the Caspian. It is the western terminus of the Trans-Caspian International Transport Route ("Middle Corridor") connecting China to Europe via Kazakhstan, Caspian shipping, Azerbaijan, Georgia, and Turkey — a sanctions-resilient alternative to Russian rail.
• Iranian Caspian Trade: Iranian ports at Bandar-e Anzali and Amirabad receive grain, hydrocarbons, and dual-use goods from Russia, Kazakhstan, and Turkmenistan. WSJ reporting identified at least 11 such vessel arrivals in the period covered by the April 28, 2026 piece.
• Energy Infrastructure: Caspian offshore oil and gas fields (Azeri-Chirag-Gunashli, Shah Deniz) feed the BTC and TANAP pipelines via the Sangachal Terminal south of Baku. Sangachal is the single-point chokehold for both energy systems.
• Russian Naval Presence: Russia maintains its Caspian Flotilla based at Astrakhan and Makhachkala — armed with Kalibr cruise missiles used in strikes against Ukraine since 2015 (Syria) and 2022. The Flotilla's presence creates a dual-use commercial-military backdrop on the Caspian.
• Climate and Trafficking Concerns: The Caspian is shrinking — water level decline accelerating since 2020 — with implications for port operations, fish stocks, and sub-surface infrastructure. The basin is also a documented route for narcotics and weapons trafficking.

SOCAR (State Oil Company of Azerbaijan Republic) operates one of the post-Soviet space's most strategically valuable hydrocarbon export systems. The Baku-Tbilisi-Ceyhan (BTC) crude pipeline and the Trans-Anatolian Natural Gas Pipeline (TANAP) together provide the only major energy export corridor from the Caspian basin that bypasses both Russian and Iranian territory.

• BTC Pipeline: 1,768 km from Sangachal Terminal (Baku) through Tbilisi to Ceyhan on Turkey's Mediterranean coast. Capacity ~1 million barrels per day. Operational since 2006. Carries Azerbaijani crude (Azeri-Chirag-Gunashli) and increasing volumes of Kazakh and Turkmen crude via Caspian shipping. The single most strategically important non-Russian, non-Iranian westbound oil pipeline in the post-Soviet space.
• TANAP & TAP — Southern Gas Corridor: Azerbaijani gas from Shah Deniz Phase 2 flows through TANAP across Turkey into the Trans-Adriatic Pipeline (TAP), reaching Italy and onward to European markets since 2020. Capacity expansions in progress to support EU gas-diversification away from Russian supply.
• Sangachal Terminal: The single export node for both BTC and the Southern Gas Corridor. Located on the Caspian coast south of Baku. A successful attack on Sangachal would disrupt all major Azerbaijani energy exports simultaneously — making it a strategic chokepoint.
• Iran Border Tensions: The 765 km Azerbaijan-Iran border has periodically been the site of military exercises and rhetorical escalations — including Iranian large-scale exercises in October 2022 ostensibly responding to Azerbaijan-Israel cooperation. The March 5, 2026 Iranian drone strike on Nakhchivan International Airport marked a new operational escalation.
• Nakhchivan Exclave: Azerbaijan's exclave bordered by Iran, Armenia, and Turkey. The "Zangezur Corridor" — a proposed transit route through Armenia connecting Azerbaijan proper to Nakhchivan and onward to Turkey — remains a major flashpoint in Armenia-Azerbaijan negotiations and a long-running point of friction with Iran (which opposes any sovereignty-altering corridor on its northern border).
• SOCAR International Footprint: SOCAR operates retail and refining assets in Turkey (Petkim, STAR refinery), Switzerland, Romania, and Ukraine. Diversification has reduced Azerbaijan's exposure to single-buyer pressure but increased its visibility in European energy politics.

The Nagorno-Karabakh conflict is over. Azerbaijan's September 2023 offensive ended three decades of de facto Armenian control in a single day, displacing nearly the entire ethnic Armenian population (~100,000). What remains is a peace process — advanced but unratified — and a redrawn South Caucasus order in which Baku negotiates from decisive strength. This is a settled outcome, not an active front.

• September 2023 — Decisive Resolution: A roughly 24-hour Azerbaijani operation forced the dissolution of the breakaway Republic of Artsakh. Armenian forces and civilians evacuated via the Lachin corridor; the territory is fully reintegrated into Azerbaijan.
• August 2025 — Washington Declaration: Aliyev, Pashinyan, and Trump unveiled a peace framework at the White House and the "TRIPP" corridor (Trump Route for International Peace and Prosperity) — the rebranded Zangezur route across Armenia's Syunik province linking mainland Azerbaijan to the Nakhchivan exclave, with the United States reportedly holding long-term (~99-year) development rights.
• The Unratified Treaty (the live variable): The peace agreement is initialed but NOT signed or ratified. Baku conditions signature on Armenia amending its constitution to drop implicit territorial references — a step requiring an Armenian referendum. "Ready for signature" is not "signed"; this is the reversibility seam to watch, and the analyst layer where residual conflict rhetoric belongs.
• Iran's Objection: Tehran opposes TRIPP as a US/Turkish wedge that would sever its short border with Armenia and its overland access to the South Caucasus, warning of a "harsh response." Iran's sizeable ethnic-Azeri population adds a second sensitivity.
• Russia Displaced: Russian peacekeepers withdrew in 2024, and a US-brokered corridor on post-Soviet ground marks a strategic displacement of Moscow — which is seeking re-entry. Their departure also removed the last neutral on-the-ground monitoring presence.
• US Section 907 & Diaspora: The Armenian diaspora (US, France, Russia) shapes Western policy. US Section 907 restrictions on assistance to Azerbaijan (Freedom Support Act, 1992) — periodically waived — were waived again alongside the 2025 normalization track. Demining of the former Karabakh districts remains a multi-year "Do Not Travel" hazard.

Azerbaijan is a personalist, dynastic state. Ilham Aliyev has ruled since 2003, when he succeeded his father Heydar Aliyev — a former Soviet-era KGB general and Politburo member — in the post-Soviet space's first hereditary presidential succession. Power is concentrated in the family and a narrow elite financed by hydrocarbon rents.

• Ilham Aliyev (President, 2003– ): Re-elected in tightly controlled votes, most recently a February 2024 snap election (~92%). OSCE/ODIHR monitors have repeatedly cited the absence of genuine competition, a constrained media environment, and pressure on civil society.
• Mehriban Aliyeva (First Vice President, 2017– ): The president's wife was appointed to the newly created post of First Vice President in 2017 — institutionalizing family co-rule and widely read as succession-positioning. She also chairs the Heydar Aliyev Foundation.
• Constitutional Engineering: A 2016 referendum extended presidential terms from 5 to 7 years and removed the minimum-age requirement for the presidency, while creating the First Vice President post. The constitution concentrates executive authority with weak legislative and judicial checks.
• Rentier Patronage: SOCAR hydrocarbon revenue and the State Oil Fund (SOFAZ) underwrite a patronage system. The September 2023 Karabakh victory delivered a substantial domestic legitimacy dividend, reinforcing the leadership's standing.
• Stability Read: Durable but brittle in the classic petrostate sense — stable while energy rents and the security narrative hold. Succession mechanics and the oil-revenue trajectory (ACG decline) are the long-horizon variables; no organized domestic challenger is currently visible. Convergence-not-prediction: this describes structure, not a forecast of change.

Azerbaijan and Israel maintain one of the closest — and most quietly significant — bilateral defense and intelligence relationships of any Muslim-majority state. The partnership rests on shared concern with Iran, Azerbaijani energy exports to Israel, and Israeli weapons transfers that have shaped the regional military balance.

• Energy Trade: Azerbaijan supplies an estimated 40-65% of Israel's crude oil imports via BTC pipeline → Ceyhan → tanker to Ashkelon. This makes Israel one of the largest single buyers of Azerbaijani crude, and Azerbaijan one of Israel's most important energy partners.
• Israeli Weapons Transfers: Azerbaijan has been one of the largest customers of Israeli defense exports. Israeli systems — including Harop loitering munitions, SkyStriker drones, Spike missiles, and Barak air-defense — were extensively used by Azerbaijani forces in the 2020 Nagorno-Karabakh war and the 2023 operation, and have shaped Azerbaijan's force structure across both conflicts.
• Diplomatic Upgrade (2023): Azerbaijan opened its first full embassy in Israel in March 2023 — a significant move that broke a long-standing pattern of formal-but-distant diplomatic relations dating to 1992.
• Iran Friction Vector: Tehran has consistently characterized the Israel-Azerbaijan partnership as a strategic threat, citing alleged Israeli intelligence presence on Iran's northern border. Iranian officials have repeatedly accused Baku of permitting Israeli operations targeting Iranian nuclear scientists and infrastructure — accusations Baku denies.
• Mossad Reporting: Open-source reporting (notably Bergman in The New York Times, Yedioth Ahronoth) has detailed alleged Israeli intelligence cooperation involving Azerbaijani territory dating back at least to 2012. The 2026 US-Iran-Israel war intensified analytical attention on these arrangements, though Baku and Jerusalem maintain operational silence.
• Turkey Triangle: Azerbaijan, Israel, and Turkey form an unusual de facto triangle of intersecting interests — Azerbaijan-Turkey is "two states one nation"; Azerbaijan-Israel is the deep defense relationship; Turkey-Israel relations are cyclically frosty. Baku occasionally serves as a quiet diplomatic bridge between Ankara and Jerusalem.