ORDER OF BATTLE // July 20, 1936
Campaign of Gipuzkoa
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 6,500 estimated
Spanish Republic
3,000
Medium-confidence figure
Nationalist Spain
3,500
Medium-confidence figure
Battle context
The campaign of Gipuzkoa formed part of the broader Nationalist effort to reduce Republican-held territory in northern Spain during the Spanish Civil War. By conquering the province of Gipuzkoa, Nationalist forces under commanders including Mola, Beorlegui Canet, Solchaga, and García Valiño secured a significant portion of the northern front, denying the Republic control of that region. The operation pitted a Nationalist force of approximately 3,500 against around 3,000 Republican defenders commanded by Pérez Garmendia and Ortega. The fall of Gipuzkoa contributed to the progressive isolation of the remaining Republican-held northern territories, consistent with the Nationalist strategy of dismantling the northern front before consolidating elsewhere.
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