What is "banyunibo"

Banyunibo is a 9th-century Buddhist temple located in Cepit hamlet, Bokoharjo village, Prambanan, Sleman Regency, Yogyakarta, Indonesia. The temple, dating from the era of Medang Kingdom, sits in a narrow valley surrounded by paddy fields about two kilometers southeast of the Ratu Boko archaeological park on the east side of modern Yogyakarta. Further north is the Prambanan temple, and to the south are the Gunung Sewu hills, extension of Gunung Kidul hills.