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GeoSec Insights

Tens of paid subscribers

Independent geopolitical analysis on war, power, and strategy, built for clear judgment and informed decision-making.

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Substack
PricingFreemiumPublishesWeekly
Issues62Foundeda year agoLast Issue15 days ago
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Latest Issues

Cinema and the National Security State

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15 days ago
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The Battlefield You Cannot See | Risk Report 2026/06

How the militarization of space is changing war on Earth

Cover illustration created for GeoSec Insights.

17 days ago
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Iran Does Not Need to Win the War

The map of the Middle East with the Strait of Hormuz and the Bab el-Mandeb.

The war against Iran is usually discussed in military terms: missiles intercepted, targets destroyed, ships deployed and territory controlled. However, measuring s...

a month ago
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My New Book Is Out: Power at Sea

Dear readers,

This is a special moment for me because my new book is now available: Power at Sea: The United States, China, and the Struggle for Order in the Indo-Pacific.

My career in the Hellenic Navy and my studies shaped the perspecti...

a month ago
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Literature & Empire

How Societies Imagine War and Destiny

“A treaty can end a war, but a novel can show how that war continues inside memory.”

a month ago
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  • GeoSec Insights

    Independent geopolitical analysis by Themistoklis Zanidis, former Hellenic Navy officer. Assessing power, security, and what comes next.

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