Remolinos is a municipality in the province of Zaragoza, in the autonomous community of Aragon, Spain. It lies in the Ebro river valley in northeastern Spain, within the comarca of Ribera Alta del Ebro, roughly 30 kilometres northwest of the provincial capital, Zaragoza.
According to the 2004 census (INE), the municipality had a population of 1,210 inhabitants. Like many settlements in the surrounding region, it is a small, compact Aragonese town whose population is concentrated in a single urban core, surrounded by the flat agricultural land characteristic of the Ebro depression.