Castell de Castells is a municipality high in the mountains of the Marina Alta on the Costa Blanca in southeastern Spain. The village is at the source of the Rio Jalón and surrounded by mountains. It is approximately 12 kilometres from the nearest village of Benigembla, and 20 kilometres from Jalón, the nearest large town. It is approximately one hour's drive to the beaches, the Fuentes de Algar, and Terra Mítica theme park. Also in the area are the caves of Vall d'Ebo and Benidoleig.