Otherwise unidentifiable castle.
And in the pursuit he came up to King Yucef, and smote him three times: but the King escaped from under the sword, for the horse of the Cid passed on in his course, and when he turned, the King being on a fleet horse, was far off, so that he might not be overtaken; and he got into a Castle called Guyera, for so far did the Christians pursue them, smiting and slaying, and giving them no respite, so that hardly fifteen thousand escaped of fifty that they were.