English: Rock castles — a type of medieval castle which directly incorporates natural rock formations to such an extent that they define the structure of the castle.
<nowiki>Grad na skali; château de roche; harkaitz gaztelu; טירת צוק; rotskasteel; каменный замок; castillo roquero; Felsenburg; skalní hrad; rock castle; Rokburgo; 岩石城堡; castell roquer; tipologia de castell; harkaitzaren gainean eraikitako gaztelua; mittelalterliche Bauweise einer Höhenburg; château en partie construit avec de la roche; quer; castell quer; Ausgehauene Burg; castillo roquedo; harkaitz-gaztelu; каменная крепость; rotsburcht</nowiki>
