Geopolitical Implications of the War with Iran

Experts from the Geopolitics and Foreign Policy Department analyze the tactics and strategies of key states and collect original data on the immediate and longer term geoeconomic and geopolitical implications for domestic politics, regional dynamics, and global markets

Middle East

What a Fragile U.S.-Iran Ceasefire Means for Energy and Beyond

by CSIS Scholars

How the Iran War Weighs on the U.S.-Saudi Partnership and Prospects for Normalization with Israel

by Michael Ratney and Abdullah Alhenaki

Everyone Lost the War With Iran

by Will Todman

What the Iran War Revealed About U.S. Power

by Brzezinski Chair in Global Security and Geostrategy

Would Regime Change Solve the Iran Challenge?

by Will Todman, Jon B. Alterman, Daniel Byman, and Mona Yacoubian

Europe and Russia

Photo: Simon Wohlfahrt / AFP via Getty Images

Europe Needs Bold Economic Action in the Face of the Iran Shock

As the war in Iran disrupts global energy markets, Europe cannot afford to wait. The European Union must launch a bold, collectively financed response—accelerating electrification, supporting Ukraine, and finally building a true European energy union.

Commentary by Max Bergmann and Federico Steinberg — March 27, 2026

What the Iran War Means for Russia

Podcast Episode by Max Bergmann and Michael Kimmage

Von der Leyen’s Foreign Policy Power Struggle and the Iran War with Mona Yacoubian

Podcast Episode by Max Bergmann, Donatienne Ruy, and Mona Yacoubian

Iran War Fallout and Hungary's Pivotal Election

Podcast Episode by Max Bergmann, Donatienne Ruy, and Federico Steinberg

How the Iran War and the Price of Oil Impact the Kremlin's Calculus

Podcast Episode by Max Bergmann, Maria Snegovaya, Hanna Notte, and Janis Kluge

Africa

Beyond the Gulf: How the Iran War Is Fueling Crisis in the Horn of Africa

Please join the CSIS Africa Program for a panel discussion on the humanitarian and geopolitical effects of the Iran war on the Horn of Africa.

Hosted by Africa Program — May 7, 2026

The Pacific

Pacific Island Countries Are Highly Vulnerable to Oil Supply and Pricing

The closure of the Strait of Hormuz is having significant impacts on the Pacific Island countries, which are highly vulnerable to both oil pricing and supply

Analysis by John Augé and Kathryn Paik — April 2, 2026