The Château d'Arques is a ruined 14th-century castle in the commune of Arques in the Aude département of France. It is one of the so-called Cathar castles.
Wikipedia https://en.wikipedia.org/wiki/Château_d'Arques
Address 102 Le Château, 11190, France
Coordinates 42°57'11.539" N 2°22'1.783" E