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BATTLE // October 7, 1364

Battle of Auray

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Overview

The Battle of Auray at the Breton-French town of Auray was the decisive confrontation of the Breton War of Succession, a part of the Hundred Years' War.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Auray, fought near the Breton town of Auray, was the decisive confrontation of the War of Breton Succession, which had consumed the duchy for over two decades. The conflict pitted the House of Montfort against the House of Blois for control of Brittany, and Auray resolved that contest in favor of Montfort. The engagement ended with heavy losses for the House of Blois, which sustained around 1,000 casualties in a battle where it was already outnumbered, fielding roughly 4,000 troops against Montfort's 6,000. The presence of senior commanders on both sides — John Chandos and John de Montfort for the victors, Bertrand du Guesclin and Charles of Blois for the defeated — underscores the scale and finality of the engagement. As part of the broader Hundred Years' War, the outcome carried significance beyond Brittany, bearing on the contest between England and France for influence over the duchy and its resources.

Forces & casualties

Troop strength

  • House of Montfort6,000
    medium
  • House of Blois4,000
    medium

House of Montfort fielded a 1.5 : 1 numerical advantage

Casualties

  • House of Blois1,000
    medium25% loss rate

Commanders (4)

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Related

1 sibling battles · 0 factions

Last verified July 2026
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