Convento de Santo Domingo y castillo Monument · La Guardia de Jaén, Área Metropolitana de Jaén, Jaén The former Convento de Santo Domingo, the work of Andrés de Vandelvira from 1542, and the castle of Arab origin with 15th-16th-century alterations, are both declared Bien de Interés Cultural. 1542 Photo: Otiñar (CC BY-SA 2.5) What to see and do in La Guardia de Jaén