Festivities of Alcalá de Ebro Activity · Alcalá de Ebro, Ribera Alta del Ebro, Zaragoza Image of Alcalá de Ebro, not of the place itself. Alcalá de Ebro celebrates its festival in the municipality that tradition identifies with the island of Barataria, which Cervantes had Sancho Panza govern in the second part of Don Quixote, published in 1615, owing to the island-like appearance the Ebro's floods gave it. Photo: Zarateman (CC0) What to see and do in Alcalá de Ebro