Located inside the walls, next to the door and the eponymous fort house Luis Chaves "Old", the ancient parish of Santiago -end of the XII century was built on one of the urban centers of the Hispano Alcazaba. Hierarchy that kept this space after the Reconquista, as witnessed by numerous documents containing immediate use as a market square, the separate temple as a meeting for the Council, and the location in the vicinity of the first houses Bishop Plasencia had in the then town of Truxillo. The building was extensively transformed in the seventeenth century, when the original space into three naves by pillars that support a vaulting by edges are compartmentalised, it was built in the late twelfth century, following a Romanesque style that is still recognizable in the volume its walls, the shape of your head or the making of its bell tower. The doors are the work of the fifteenth century chapel and the sacristy Loaisa and the first half of the sixteenth century. Among other pieces of singular value, its interior houses the famous sculpture of Christ of Waters, of suffering type, made in the fourteenth century. Of great artistic value they are also the graffiti that adorn the walls of the sacristy as a frieze under the slab, a set of newts, scrolls and lime executed laureas carbon black pigment; like a carpet under such a curb diamond, for sebqa, covered by a contemporary whitewashed.