Murallas almohades de San Juan de Aznalfarache Monument · San Juan de Aznalfarache, Comarca Metropolitana de Sevilla, Seville Image of San Juan de Aznalfarache, not of the place itself. Remains of the Almohad wall of the former castle of Aznalfarache, declared a Bien de Interés Cultural under the Spanish Historical Heritage Law (Law 16/1985). The municipality, made independent by law of 15 July 1890, experienced strong industrial growth between 1850 and 1940 that multiplied its population; today it has 23,408 inhabitants (2025) in just 4.11 km², 4 km from Seville. Photo: CarlosVdeHabsburgo (CC BY-SA 4.0) What to see and do in San Juan de Aznalfarache