Church of Alcalá de Ebro Monument · Alcalá de Ebro, Ribera Alta del Ebro, Zaragoza Parish church of Alcalá de Ebro, a municipality on the banks of the Ebro mentioned in Don Quixote, under the dedication of the Santísima Trinidad. According to the 19th-century description by Pascual Madoz, the church was served by a parish priest appointed by the Duke of Villahermosa, lord of the town, reflecting the patronage that the ducal house held over the parish. Photo: Zarateman (CC0) What to see and do in Alcalá de Ebro