Church of Piedratajada Monument · Piedratajada, Cinco Villas, Zaragoza The church of San Sebastián in Piedratajada (Zaragoza, Cinco Villas), with parts from different periods, belongs ecclesiastically to the diocese of Jaca. Some of its works of art are not kept in the church, but can be seen today in the Diocesan Museum of Jaca, in Huesca. Photo: Ecelan (CC BY-SA 4.0) What to see and do in Piedratajada