Columna de San Juan Harria Monument · Irun, Bidasoa Beherea / Bajo Bidasoa, Gipuzkoa Image of Irun, not of the place itself. Stone column erected in 1564 in the Plaza de San Juan, a symbol of Irun's own identity; it is believed to commemorate the town's defense against French invasions. It was declared a Monumento Histórico-Artístico in February 1964. 1564 Photo: Vasconium (CC BY-SA 2.0) What to see and do in Irun