Ayun Pa is a former district-level town located in the south-eastern part of Gia Lai Province within the Central Highlands of Vietnam. The town covers an area of 287.18 km² and had a recorded population of 75,437 as of 2024.
Historically, the town was known by the name Cheo Reo following 1975. It is bordered by Ia Pa District to the east and north-east, Krông Pa District to the south-east, Phú Thiện District to the west, and Ea H'leo District in Đắk Lắk Province to the south.