Allueva is a municipality in the Jiloca Comarca, in the province of Teruel, part of the autonomous community of Aragon in Spain. It is a small rural settlement in the Jiloca valley area of Teruel province, in northeastern Spain.
The municipality is sparsely populated. According to the 2018 census, Allueva had a population of 29 inhabitants, making it one of the many very small municipalities characteristic of the Teruel region.