Geldibuldu (Kurdish: Tille) is a village in the District of Kahta, Adıyaman Province, Turkey. The village is populated by Kurds and has the six hamlets of Kefiri, Açoǧlu, Körseluk, Tilbe, Karatilbe, and Semagün connected to it. It has a population of 685 as of 2021. The village is an ancient site dating back to the Hellenistic and Roman era including tombs, cemeteries and a bath house.