Murallas de Adra Monument · Adra, Poniente Almeriense, Almería Walled enclosure built from 1509 by order of Joanna I of Castile to defend the city; within its perimeter stands the church of the Inmaculada Concepción, built between the 16th and 19th centuries. Photo: dePoniente GDP Almería Occ. (CC BY 2.0) What to see and do in Adra