Aza (until 2003, Yuxarı Aza, Jukhary Aza, Yukary-Aza, and Yukhary Aza "Upper Aza") is a village and municipality in the Ordubad Rayon of Nakhchivan, Azerbaijan. It is located in the left side of the Ordubad-Nakhchivan highway, 17 km in the south-east from the district center, on the right bank of the Gilanchay River. Its population is busy with gardening, vegetable-growing, farming, animal husbandry. There are secondary school, club and a medical center in the village. It has a population of 442.