Ribera Baja del Ebro is a comarca in eastern Aragon, Spain.

It is located by the River Ebro about 40 km south-east of Zaragoza.

The traditional economy was based on the cultivation of cereals and olive trees.

[1] This comarca has a dry, continental climate, with marked seasonal changes, the summers are hot and relatively short compared with the long cold winters.

Sometimes it is subjected to floods caused by River Ebro.