“…Interestingly, this landform development determines the development of human settlements, highlighting the significance of human-environment interaction in geography (Ashari, 2022). The upper Progo Valley's landforms were shaped by the volcanic activity of Sindoro, which also left traces of its eruption exposed in the Liyangan area (Tanudirjo, Yuwono, & Adi, 2019). Meanwhile, for Merapi, its vulcanic activities affect the formation of landforms across a broad region, including Borobudur and Yogyakarta, as well as the fluviovolcanic plains that emerged to fill the Bantul graben (Bronto, Ratdomopurbo, Asmoro, & Adityarani, 2014;Mulyaningsih et al, 2006;Newhall et al, 2000;Sutikno, LW, Kurniawan, & Purwanto, 2007).…”