The Marinid Walls of Algeciras are city walls located in Algeciras, Spain. They were built by the Marinid dynasty. The walls were declared Bien de Interés Cultural in 1985.
Wikipedia https://en.wikipedia.org/wiki/Marinid_Walls_of_Algeciras
Address 17 Calle Alférez Villalia Medina, Algeciras 11201, Spain
Coordinates 36°8'2.323" N -5°26'50.267" E