Bardallur is a municipality in the province of Zaragoza, within the autonomous community of Aragon, Spain. It is located in the Ebro valley area of northeastern Spain, in the comarca of Valdejalón.
The municipality is small and rural, with a population recorded as 274 inhabitants in the 2004 census conducted by Spain's National Statistics Institute (INE). Like many settlements in the region, it is characterised by a low population density and a setting within the surrounding agricultural landscape of the Zaragoza province.