The Citadel of Pamplona or The New Castle is an old military renaissance fort, constructed between the 16th and 17th centuries in the city of Pamplona, the capital of the Navarre Community. At present a large part of the fort it is still standing in a public park with cultural activities taking place in its buildings.
In 2015, UNESCO's approval for the further development of the Camino de Santiago de Compostela in Spain, Spain sent "Retrospective Inventory – Associated Componenets" documentation to where the Pamplona Citadel is located at No. 180.
Wikipedia https://en.wikipedia.org/wiki/Citadel_of_Pamplona
Coordinates 42°48'43.646" N -1°38'57.397" E